"Stainless Steel Case and Bracelet Silver Tone Hands and Hour Markers, 8 Markers are cut to reflect light Date Window at the 3 o'clock position Citizen Eco Drive Technology so you never have to change the battery 180 Day Power Reserve with a full charge and no additional exposure to light (46 Hours to fully charge in average lighting) Mineral Glass Crystal Water Resistant to 30 Meters (100 Feet) Bracelet features a deployment clasp with double push button release 31mm Case Width (Approximately 1 1/4"")"