--- product_id: 37113249 title: "Marathon Slim Jumbo Atomic Wall Clock, Black - Large 15-Inch Display, AM/PM or 24-Hour Time Format, 4 Time Zones, Indoor Temperature & Humidity - Four AA Batteries Included" brand: "marathon" price: "35 zł" currency: PLN in_stock: false reviews_count: 13 url: https://www.desertcart.pl/products/37113249-marathon-slim-jumbo-atomic-wall-clock-black-large-15-inch store_origin: PL region: Poland --- # 4 Time Zones 15-Inch Display Temp & Humidity Marathon Slim Jumbo Atomic Wall Clock, Black - Large 15-Inch Display, AM/PM or 24-Hour Time Format, 4 Time Zones, Indoor Temperature & Humidity - Four AA Batteries Included **Brand:** marathon **Price:** 35 zł **Availability:** ❌ Out of Stock ## Summary > ⏰ Time to Elevate Your Space! ## Quick Answers - **What is this?** Marathon Slim Jumbo Atomic Wall Clock, Black - Large 15-Inch Display, AM/PM or 24-Hour Time Format, 4 Time Zones, Indoor Temperature & Humidity - Four AA Batteries Included by marathon - **How much does it cost?** 35 zł with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/37113249-marathon-slim-jumbo-atomic-wall-clock-black-large-15-inch) ## Best For - marathon enthusiasts ## Why This Product - Trusted marathon brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Sleek & Stylish:** Contemporary design fits seamlessly in any space. - • **User-Friendly Setup:** Easily adjustable time zones and settings. - • **Self-Setting Precision:** Syncs with NIST Atomic Clock for ultimate accuracy. - • **Versatile Display Options:** Choose between AM/PM or 24-hour formats. - • **Convenient Alarm Functionality:** Includes snooze feature for those extra minutes. ## Overview The MARATHONSlim Jumbo Atomic Wall Clock features a large 15-inch display, self-setting technology, and multiple display modes, including indoor temperature and humidity. Perfect for any indoor setting, it operates on battery power and includes an easy-to-set alarm with snooze functionality. With adjustable time zones and a sleek design, this clock is both functional and stylish. ## Description Buy Marathon Slim Jumbo Atomic Wall Clock, Black - Large 15-Inch Display, AM/PM or 24-Hour Time Format, 4 Time Zones, Indoor Temperature & Humidity - Four AA Batteries Included: Wall Clocks - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Nice Price Point for a Large Format Clock--esp if you hate shifting the hours on daylight savings (coming up 11/6/2016) - UPDATE: After 48 hours, the time has finally adjusted properly. All is great! Pic 1: After 24 hours, the time had not set properly--the time zone was not correct (it says "E" instead of "P"). In this pic you can see the dimension (clock is 9 inches high, and the time letters take up 4.5 inches of that) Pic 2: After 48 hours, with some nice hand holding from support at Marathon, the clock did set itself properly. I've taken a pic with one of the jumbo clocks we own. Pic 3: It FEELS slimmer, but is it? Here is a pic of the slim and the jumbo from the edge angle. (It's only slightly slimmer, but somehow it feels a lot slimmer than it really is) *** I own five Marathon clocks. Most of them Jumbo sized. My favorite configuration is just like this slim one: time in huge letters (with seconds), temperature, date, AND humidity. it can get very dry in higher altitude, and it's nice to have a reminder to turn on the humidifier in my bedroom. overall, the best thing is marathon is a good company. they've been making nice, atomic clocks for awhile. after purchasing from desertcart, they send a follow up email--and this time, i actually wrote back to let them know the atomic signal has not set the clock after 24 hours. they referred me to an actual person with a phone number--and he and i were chatting in a few minutes. he was very reassuring, and sure enough--after another day with the clock near a window, everything set properly. the ONLY time i had to return a clock was when I bought a jumbo marathon for hawaii. let it be known, that clock signals from colorado do not reach hawaii. :) as for the product, i love marathon's large number, atomic clocks. mainly, i used to hate dismounting every clock in the house twice a year when the time changes happened. so this solved that issue. the only thing that had been holding me back from buying more is the high price point of the jumbo (~$80). so when i saw the slim-jumbo at $49.95, i dove in. some nice touches are the temperatures can be toggled F or C. and the dates come in two formats ("european" where the day comes first, or "american" where the month comes first). if you for some reason want to set the clock manually--just hold down the mode button in front, and use the snooze/alarm to increase or decrease things. i think you have to also use one of the button on the back (12/24) to change the East, Mountain, Pacific designations when that is blinking. i had hopes that the very light background would make this easier to see in my dark bedroom. this still has not improved--it's the same as the old jumbo. but the tech support guy did mention they're working on a backlit one... overall, this is a minimalist/functional looking clock and at a much more reasonable price compared to the jumbo. PS, i did not receive this product free, discounted, or as part of vine. i paid full price, i needed a clock like this, and i chose independently amongst many competitor options. Review: Exactly what I was looking for, from a reliable company! - Very sleek contemporary styling, the LCD display is sharp and clear, and the clock synchronized with its time source within 20 minutes after I hung it on my wall! Also, the clock has a fold-out stand for mounting on a desk or dresser, and has the ability to be used as an alarm clock. The downside is that the alarm clock control buttons are very small, and the clock isn't backlit to read in a dark room - so, this might be an unnecessary feature. But, since I bought this for use as a wall clock (it is quite large - 14.5"W x 9"H x 1"D), I'm really not worried about the alarm function. All in all, I am very pleased with this item and expect it to last for quite some time. It isn't the least expensive choice, but Marathon is a well-known maker of quality products, and I have confidence they'll be around if I have any problems with my purchase. ## Features - SELF-SETTING, SELF-ADJUSTING CLOCK - Simply insert the batteries provided & the Marathon Slim Jumbo Atomic Wall Clock will synchronize to the correct time using radio frequencies from NIST’s Colorado Atomic Clock (only functions in N. America). - LARGE DISPLAY - Our easy-to-read, 15-inch display and the sleek, contemporary design make this beautiful clock ideal for your home, office, school, or church. Easily hang it on the wall or place it on a table using the sturdy, fold-out stand. - MULTIPLE MODES - Choose from three different displays: AM/PM or 24-hour format; the month, weekday, and date; or the indoor temperature in Celsius or Fahrenheit, plus humidity. Language can be displayed in English, French, or Spanish. - ALARM WITH SNOOZE - The Slim Jumbo Atomic Wall Clock includes an easy-to-set alarm with a convenient snooze function, which runs in five-minute intervals. - ADJUSTABLE TIME ZONES - Easily select your time zone and set your Daylight Savings Time preference to on or off. - MARATHON - A family company that has been producing timing instruments for over 80 years. Our uncompromising quest for technical excellence allows us to produce the most advanced clock systems with the experience that our long tradition offers. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01M11AJJ5 | | Additional Features | Adjustable, Snooze, Temperature Display | | Alarm Clock | Yes | | Batteries are Included | Yes | | Best Sellers Rank | #2,307,210 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #5,620 in Wall Clocks | | Brand Name | MARATHON | | Clock Form | Multi Display | | Color | Black | | Customer Reviews | 4.5 4.5 out of 5 stars (688) | | Dial Color | Black | | Display Type | Digital | | Frame Material | Plastic | | Indoor Outdoor Usage | Indoor | | Item Dimensions W x H | 14.5"W x 4.5"H | | Item Weight | 850 Grams | | Manufacturer | MARATHON | | Manufacturer Part Number | CL030062BK | | Model Number | CL030062BK | | Mounting Type | Wall Mount | | Number of Batteries | 2 AA batteries required. (included) | | Number of Items | 1 | | Operation Mode | Atomic | | Power Source | Battery Powered | | Room Type | Home Office | | Screen Size | 4.5 Inches | | Size | Pack of 1 | | Smart Home Compatibility | Not Smart Home Compatible | | Style Name | Contemporary | | Theme | Contemporary | | UPC | 063442321140 | | Unit Count | 1.0 Count | | Watch Movement | Automatic | ## Product Details - **Brand:** MARATHON - **Color:** Black - **Display Type:** Digital - **Indoor/Outdoor Usage:** Indoor - **Power Source:** Battery Powered - **Product Dimensions:** 14.5"W x 4.5"H - **Room Type:** Home Office - **Special Feature:** Adjustable, Snooze, Temperature Display - **Style:** Contemporary - **Theme:** Contemporary ## Images ![Marathon Slim Jumbo Atomic Wall Clock, Black - Large 15-Inch Display, AM/PM or 24-Hour Time Format, 4 Time Zones, Indoor Temperature & Humidity - Four AA Batteries Included - Image 1](https://m.media-amazon.com/images/I/616bv44TbGL.jpg) ![Marathon Slim Jumbo Atomic Wall Clock, Black - Large 15-Inch Display, AM/PM or 24-Hour Time Format, 4 Time Zones, Indoor Temperature & Humidity - Four AA Batteries Included - Image 2](https://m.media-amazon.com/images/I/71Wt0CoUB7L.jpg) ![Marathon Slim Jumbo Atomic Wall Clock, Black - Large 15-Inch Display, AM/PM or 24-Hour Time Format, 4 Time Zones, Indoor Temperature & Humidity - Four AA Batteries Included - Image 3](https://m.media-amazon.com/images/I/71yjREeKKWL.jpg) ![Marathon Slim Jumbo Atomic Wall Clock, Black - Large 15-Inch Display, AM/PM or 24-Hour Time Format, 4 Time Zones, Indoor Temperature & Humidity - Four AA Batteries Included - Image 4](https://m.media-amazon.com/images/I/61TEDpJUz4L.jpg) ![Marathon Slim Jumbo Atomic Wall Clock, Black - Large 15-Inch Display, AM/PM or 24-Hour Time Format, 4 Time Zones, Indoor Temperature & Humidity - Four AA Batteries Included - Image 5](https://m.media-amazon.com/images/I/71viEilFlsL.jpg) ## Questions & Answers **Q: Having problems changing the time zone. dst flashes but the time zone remains at e and i need c. now what?** A: To change the time zone, press and hold the "+ 12/24" button on the back of the clock for approximately 4 seconds. This will change the time zone to the next time zone. If this is not your time zone, press and hold it 4 seconds again. Repeat until your time zone is displayed. **Q: The date, time, day, time zone, etc. are correct on my clock, but am and pm are not. how do i change it?** A: Push the mode button on the front... the hour starts flash, and with back buttons put the right time.. let say 7, and 12/24 button press and move until am or pm comes, than back to mode ( on the front) and press, it flash, and use up or down button on the back till right time, in this case 7pm come... **Q: does it support any time zone or just USA time zone?** A: Ours had only USA time zone options. **Q: I cannot figure out how to change the month / date / day. I have presses and held the mode button to change the time but it does not scroll to month?** A: The directions do work. One note though, when you are through setting the approximate time (the time before the unit syncs up with the atomic clock broadcast signal) press the mode button (the left most silver button on the front) directly in the middle of it until the date section starts blinking. Sometimes the mode button pressed on the sides doesn't assert the next function. This is a great clock-give it chance. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Nice Price Point for a Large Format Clock--esp if you hate shifting the hours on daylight savings (coming up 11/6/2016) *by V***R on October 26, 2016* UPDATE: After 48 hours, the time has finally adjusted properly. All is great! Pic 1: After 24 hours, the time had not set properly--the time zone was not correct (it says "E" instead of "P"). In this pic you can see the dimension (clock is 9 inches high, and the time letters take up 4.5 inches of that) Pic 2: After 48 hours, with some nice hand holding from support at Marathon, the clock did set itself properly. I've taken a pic with one of the jumbo clocks we own. Pic 3: It FEELS slimmer, but is it? Here is a pic of the slim and the jumbo from the edge angle. (It's only slightly slimmer, but somehow it feels a lot slimmer than it really is) *** I own five Marathon clocks. Most of them Jumbo sized. My favorite configuration is just like this slim one: time in huge letters (with seconds), temperature, date, AND humidity. it can get very dry in higher altitude, and it's nice to have a reminder to turn on the humidifier in my bedroom. overall, the best thing is marathon is a good company. they've been making nice, atomic clocks for awhile. after purchasing from amazon, they send a follow up email--and this time, i actually wrote back to let them know the atomic signal has not set the clock after 24 hours. they referred me to an actual person with a phone number--and he and i were chatting in a few minutes. he was very reassuring, and sure enough--after another day with the clock near a window, everything set properly. the ONLY time i had to return a clock was when I bought a jumbo marathon for hawaii. let it be known, that clock signals from colorado do not reach hawaii. :) as for the product, i love marathon's large number, atomic clocks. mainly, i used to hate dismounting every clock in the house twice a year when the time changes happened. so this solved that issue. the only thing that had been holding me back from buying more is the high price point of the jumbo (~$80). so when i saw the slim-jumbo at $49.95, i dove in. some nice touches are the temperatures can be toggled F or C. and the dates come in two formats ("european" where the day comes first, or "american" where the month comes first). if you for some reason want to set the clock manually--just hold down the mode button in front, and use the snooze/alarm to increase or decrease things. i think you have to also use one of the button on the back (12/24) to change the East, Mountain, Pacific designations when that is blinking. i had hopes that the very light background would make this easier to see in my dark bedroom. this still has not improved--it's the same as the old jumbo. but the tech support guy did mention they're working on a backlit one... overall, this is a minimalist/functional looking clock and at a much more reasonable price compared to the jumbo. PS, i did not receive this product free, discounted, or as part of vine. i paid full price, i needed a clock like this, and i chose independently amongst many competitor options. ### ⭐⭐⭐⭐⭐ Exactly what I was looking for, from a reliable company! *by J***1 on December 12, 2016* Very sleek contemporary styling, the LCD display is sharp and clear, and the clock synchronized with its time source within 20 minutes after I hung it on my wall! Also, the clock has a fold-out stand for mounting on a desk or dresser, and has the ability to be used as an alarm clock. The downside is that the alarm clock control buttons are very small, and the clock isn't backlit to read in a dark room - so, this might be an unnecessary feature. But, since I bought this for use as a wall clock (it is quite large - 14.5"W x 9"H x 1"D), I'm really not worried about the alarm function. All in all, I am very pleased with this item and expect it to last for quite some time. It isn't the least expensive choice, but Marathon is a well-known maker of quality products, and I have confidence they'll be around if I have any problems with my purchase. ### ⭐⭐⭐⭐⭐ Big, Bold, Accurate *by V***. on February 4, 2018* Big, bold, accurate, with easy setup and from across the workout room it is an instant view with no guess-work with a large seconds display as well as time. I will note that with winter shipment it comes out of the box looking like someone stepped on it and smashed the screen...just follow the instructions and let it warm up, then insert the batteries and wait 10 minutes...all is well, it then syncs with the time signal and you have a very nice wall clock. Excellent product. ## Frequently Bought Together - Marathon Slim Jumbo Atomic Wall Clock, Black - Large 15-Inch Display, AM/PM or 24-Hour Time Format, 4 Time Zones, Indoor Temperature & Humidity - Four AA Batteries Included - Rockwood 490.26D Brass Wall Mount Automatic Door Holder with Stop, Satin Chrome Plated Finish, 2" Strike Projection, Includes Fasteners for Use with Wood/Metal Doors and Drywall/Masonry Walls --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/37113249-marathon-slim-jumbo-atomic-wall-clock-black-large-15-inch](https://www.desertcart.pl/products/37113249-marathon-slim-jumbo-atomic-wall-clock-black-large-15-inch) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-07*