G-Shock Women’s S Series GMAS140M-7A. From G-SHOCK, the toughness watches that are ever evolving in an endless pursuit of strength, this is a downsized model of the popular model GA-140. A compact size that fits nicely on the wrist while retaining the retro mechanical face design. Edgy metal parts are used for the indices and dial for improved texture. A fashionable G-SHOCK that looks great in winter. Features include: Case size (L× W× H): 49 × 45.9 × 15.8 mm Weight: 56 g Case / bezel material: Resin Resin Band Shock Resistant Magnetic Resistant 200-meter water resistance Approx. battery life: 2 years on CR1220 Alarm/hourly time signal 5 daily alarms (with 1 snooze alarm) Full auto-calendar (to year 2099) 12/24-hour format World time World time 29 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping Stopwatch 1/1000-second stopwatch Measuring capacity: 99:59'59.999'' Measuring modes: Elapsed time, lap time, split time Others: Speed (0 to 1998 units/hour), Distance input (0.0 to 99.9) Mach indicator (speed exceeding 1225 units/hour) Timer Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Other: Auto-repeat Light LED light Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow Light color: LED Amber This watch comes with a new battery & a G-shock authenticity certificate.