?Note: This is a large dial watc with a case diameter of 55mm / 2.17in, strap length: 260mm / 10.24in, maximum circumference: 220mm / 8.66 inches, minimum circumference: 170mm / 6.69in. This sports digital watch comes in 2 sizes and a variety of colors. Please pick the right watch size according to your wrist size! ? Military Watches: This is a watch that supports both digital and analog displays. It provides two different time zones for simultaneous setup and reading, with high quality sports and Japanese batteries, waterproof performance, stylish personality, military style, stylish sports dial design, large Dial is easy to read. ? Multi-function sports watch: with stopwatch, dual-time display, independent alarm, 12/24H time, calendar, LED backlight, waterproof, shockproof and other functions. These features make it the perfect choice for all kinds of outdoor sports and everyday use. ? High-quality materials: The soft PU rubber band makes it comfortable to wear, and the durable plastic casing and mineral glass mirrors are extremely resistant to pressure and can be used in any environment. ? Water resistant up to 5 ATM: Suitable for everyday use. Splash/rain resistant. Please don't press any buttons underwater, and in case of damaging waterproof ring,please keep it away from steam and hot water ? 100% Satisfaction Guarantee: We care about our customers. Each watch has a 12-month warranty and a 90-day full money back guarantee. If you have any questions about our products, please contact us via Amazon free replacement.