10 Best atomic wall clocks

Accurate, atomic self-setting time and date with automatic resets for Daylight Saving time

Black plastic wide frame

4 Time Zone Settings

Simple operation with 1 AA alkaline battery

Accurate to the Second

Atomic time with manual setting option

Automatically sets to exact time

Accurate to the second

SIZE 3.5” tall time digit display making it easy to read

FEATURES Display time in 12 or 24-hour format, also Calendar display in Month-Date or Date-Month. Desktop stand or wall mount option

TEMPERATURE Display indoor temperature in Celsius or Fahrenheit and shows relative humidity

SELF-SETTING/SELF-ADJUSTING Using radio frequencies broadcast from NIST’s Colorado Atomic Clock. (Atomic feature only functions in North America)

ADJUSTABLE TIME ZONES Set to any eight time zones (HST, AKST, PST, MST, CST, EST, AST, NFST) and set Daylight Savings Time preference to on or off

LANGUAGES Full weekday display in 8 languages (English, German, French, Italian, Spanish, Dutch, Finnish, Swedish)

BATTERIES INCLUDED 2x AA batteries included

[PRECISE ATOMIC TIME] Accurate to the second Atomic time will automatically set and readjust to Daylight Saving Time (OFF option)

[SIMPLE BATTERY OPERATED] Simple Set to your Time Zone selection (7 different choices, AST, EST, CST, MST, PST, AKT, HAT)

[CALENDAR/TEMP] View month/day/weekday and Current Ambient temperature (°F/°C adjustable

[TIME ALARM] Crescendo alarm sound with snooze duration of an extra 10 minutes

Table stand or Wall Hang option

SELF-SETTING, SELF-ADJUSTING CLOCK: Simply insert the batteries provided and 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 suitable 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 QUALITY: 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

INDOOR AND OUTDOOR TEMPERATURE MONITORING: Features external wireless remote sensor to monitor both indoor and outdoor temperatures, with an additional probe included specifically for refrigerator temperature monitoring

VERSATILE MOUNTING OPTIONS: Wall-mountable design with built-in foldable stand allows for flexible placement on desktops, tables, or walls in various settings including workstations and offices

ATOMIC ACCURACY: The Atomic clock has a built-in receiver that automatically synchronizes itself with the WWVB radio broadcast by the US Government’s National Institute (NIST) in Fort Collins, Colorado. The Atomic Clock will always be accurate to within one second as it receives daily WWVB updates.

AUTOMATICALLY SETS: Clock resets regularly by radio-control to match the US Atomic Clock in Colorado and adjusts automatically for daylight savings time

BRUSHED SILVER FRAME: Brushed frame adds style and longevity to any decor

BATTERY OPERATED - (Requires 1 x AA batteries - not included)

EASY TO READ - EASY TO USE: Simple, easy to read style fits any decor and is easy to read - perfect for any room in the house: den, office, kitchen, kids room, garage

【All-in1 Clear LED Display】Get all the essential information you need at a single glance. This contemporary clock features an integrated screen that clearly displays the current time, day of the week, date, and the ambient room temperature, keeping you effortlessly informed.

【Customizable Time & Temperature Settings】Tailor the display to your exact preference with ease. Seamlessly sw-itch between 12-hour and 24-hour time formats to suit your routine, and choose your preferred temperature unit between Celsius (°C) and Fahrenheit (°F) for personalized convenience.

【Sleek, Compact Design for Any Space】Featuring an elegant casing available in black or white with a sophisticated brushed glossy finish, this clock adds a modern touch to any room. With its compact dimensions of 18.5 x 18.5 x 2.7 cm, it presents a concise yet noticeable presence on any desk or nightstand.

【Modern Aesthetic with Enhanced Readability】Boasting a refined, two-tone brushed display and bold, illuminated numbers, this clock is a stylish accent for your home or office. The large, bright LED digits ensure superb visibility from various angles and distances, reducing eye strain.

【Versatile for Home & Office Use】Designed for optimal readability and organization, this clock is perfect for the bedroom, living room, or office environment. It helps you stay on schedule while its versatile design allows for easy placement on a desk or simple mounting on a wall.

Atomic time automatically sets to exact time; Accurate to the second

Automatically updates for Daylight Saving Time (ON/OFF option); 4 Time zones: EST, CST, MST & PST

10" Brushed black stainless steel case with Silver chapter ring design; Raised numbers on bezel

Plastic lens with Metal hands

Simple operation, requires one AA alkaline battery (not included)