Best Timekeeping App

Casio EF-539D-2AV Edifice Stainless Steel Chronograph Tachymeter Sport Watch

Mineral Glass, Partial ion plated, Tachymeter, Screw Lock Back.
100-meter water resistance, Case / bezel material: Stainless steel, "Double-lock, 1-press, 3-fold Buckle", Stainless Steel Band, Solid Band.
1-second stopwatch [ Measuring capacity: 11:59'59, Measuring mode: Elapsed time ].
Date display, Regular timekeeping [ Analog: 3 hands (hour, minute, stopwatch seconds), 3 dials (timekeeping second, stopwatch hours, stopwatch....
Accuracy: ±20 seconds per month, Approx. battery life: 2 years on SR927W, Size of case/total weight: 53.5 X 48.5 X 11.5 mm/198 g.

From G-SHOCK, the watch brand that is constantly setting new standards for timekeeping toughness, comes a basic DW5600 case silhouette with monotone black coloring. Functions include stopwatch, countdown timer and alarm, so this model will cover all of your basic timekeeping needs..

Modern design with raised numbers on gold dial: The clock has a sleek and modern look, with raised numbers on the black dial that are easy to read from a distance. Precise quartz movement: The clock runs on a precise quartz movement, ensuring accurate timekeeping..
Precise quartz movement for accurate timekeeping.
Protective glass lens and durable plastic case: The clock has a protective glass lens to protect the dial and a durable plastic case to withstand everyday use..
Built-in hanger: The clock has a built-in hanger for easy wall display..
Suitable for any room in the home: The clock's modern design and functional features make it suitable for any room in the home, including the living room, home office, or bedroom..

FUNCTIONAL ART FOR YOUR HOME OR GARDEN. Stunning wall piece reliably tells time and beautifies your home..
REFINED FLOWER DETAILS. Intricate, ornate flower detailing that adds life to any wall..
ACCURATE QUARTZ TIMEKEEPING. Set just twice each year for daylight savings time for reliable timekeeping year round..
EASY TO INSTALL. Hang on a single nail or screw for a secure mount..
BATTERY POWERED. Uses 1 AA battery, not included. No power cords or outlets needed, perfect for mounting outdoors..

ANTIQUE-INSPIRED DESIGN. Vintage victorian inspiration looks like an heirloom with modern durability..
CHARMING DETAILS. From the embellished accents to the curved hearts and cheerful sparrows, this piece adds oodles of character to your garden wall..
ACCURATE QUARTZ TIMEKEEPING. Set just twice each year for daylight savings time for reliable timekeeping year round..
EASY TO INSTALL. Hang on a single nail or screw for a secure mount..
BATTERY POWERED. Uses 1 AA battery, not included. No power cords or outlets needed, perfect for mounting outdoors..

Self Adjusting Atomic Timekeeping performance in Multi-task 200M Water Resistant case. In addition to Atomic Timekeeping, stopwatch and alarm timer functionality, the large LCD readout has the capability of displaying the day of the week in 9 different languages (ENG, ESP, FRA, POR, DEU, ITA, CHN, PYC, JPN). Couple this with 48-city world time, 12/24 Hr. formats and you’ll be ready to travel the globe..
World Time for 31 time zones (48 cities + UTC), city code display, daylight saving on/off.

DS3231 16-pin memory chips - AT24C32 ,extremely accurate I2C real-time clock (RTC), with an integrated temperature-compensated crystal oscillator (TCXO) and crystal..
Integrated oscillator improve long-term accuracy of the device and reduces the number of components of the production line..
Provides two configurable alarm clock and a calendar can be set to a square wave output. Address and data are transferred serially through an I2C bidirectional bus..
Highly accurate RTC completely manages all timekeeping functions.The device incorporates a battery input, disconnect the main power supply and maintains accurate timekeeping..
A precision temperature-compensated voltage reference and comparator circuit monitors the status of VCC to detect power failures, provide a reset output. In addition, RST pin is monitored as generating a μP reset..

BASIC FUNCTIONS: Compass, Barometric pressure, Ambient temperature, Timekeeping, Daylight saving time,12/24H Format, Pedometer, Stopwatch, world time, Alarm, countdown, 50M waterproof, LED bright backlit.
DIGITAL COMPASS: it’s a stylish sports watch for hiking or outdoor activities. we will calibrated the compass during production. But it’s better calibrate it automatically or manually before you use it. (Check the manual for calibration).
PEDOMETER: It shows steps, calories, mileage, these feathers help you to know your workout better. And it is non-Bluetooth pedometer watch, no need apps or connection with smartphones. And it has 15 days of data storage..
BAROMETER ALTIMETER: Barometer shows local pressure and sea level pressure, Altimeter tells current altitude and 24-hour history by trend graph. 4 weather forecast symbols indicates the predicated weather. (Units can be switch between Fahrenheit and Celsius).
AMBIENT TEMPERATURE: It shows the ambient temperature: -9.9~85.0℃/14.0~185.0℉. you could switch the unit as your needs..
MATERIAL & SIZE: The net weight only 54g / 1.9oz with diameter: 1.77inch, environment-friendly watch case with soft and adjustable strap, the watch fits for wrist size: 5.3 to 9.05 inches..

Modern design with raised numbers on gold dial: The clock has a sleek and modern look, with raised numbers on the black dial that are easy to read from a distance. Precise quartz movement: The clock runs on a precise quartz movement, ensuring accurate timekeeping..
Precise quartz movement for accurate timekeeping.
Protective glass lens and durable plastic case: The clock has a protective glass lens to protect the dial and a durable plastic case to withstand everyday use..
Built-in hanger: The clock has a built-in hanger for easy wall display..
Suitable for any room in the home: The clock's modern design and functional features make it suitable for any room in the home, including the living room, home office, or bedroom..