Guess Equity GW0703G2 Multi Function Data Gemstone Birthstone 1mm Case Size 57g 1mm Case Size 57g Weight Case and Bezel Material: Carbon Resin Resin Band Mineral Glass Shock Resistant Carbon Core Guard Structure 200 Meters Water Resistant Approx battery life 3 Years on SR726WX2 Watch Features World Time – 31 Time Zones (48 cities) Stopwatch Timer Alarm LED Light: White Calendar – Full Auto Calendar (to year 2099) Mute Feature – button operation on off Accuracy: ±15 seconds per month this Emporio Armani AR1908 Mother of Pearl Womens Watch is gorgeous with 50 meters water resistance this watch is the perfect for daily wear Heighten your sense of style with a touch of class