Take your full-metal analog style straight to the water. With water resistance up to 200 meters, a unidirectional rotating bezel, and screw-lock case back, this is a timepiece ready for whatever ocean sports or marine activities you are into. The sporty, yet classic design also features a handy date display, bringing practical utility to fashionable style. Basic Information Case size (L× W× H)49.5 × 44.2 × 12.1 mm Weight144 g Case and bezel materialCase / bezel material: Stainless steel / Aluminum BandStainless Steel BandOne-touch3-fold Clasp Water resistance200-meter water resistance Power supply and battery lifeApprox. battery life: 3 years on SR626SW Exterior GlassMineral Glass Back plateScrew Lock Back Bezel featuresAnti-reverse Bezel Compatible band size150 to 205 mm Watch Features AccuracyAccuracy: ±20 seconds per month Other featuresRegular timekeeping: Analog: 3 hands (hour, minute, second)Date display