Case / Bezel Material: Resin Adjustable Clasp Stainless Steel Mesh Band Super Slim Case Mineral Glass Water Resistant LED Backlight 1/100-second Stopwatch Measuring Capacity: 59'59.99'' Measuring Methods: Split Time, First Place Bar Daily alarmourly Time signal Auto-calendar (set to 28Xays for February) 12X4-hour format Regular time keeping: hour, second, pm, date, day Accuracy: 30 seconds per month Approx. Battery life: 3 years on CR16X Case size: 3X4X35.5X6Xt weight: 53g.