Quartz Movement - Day and Date - Approximate battery life 3 years on SR626SW. 34mm x 12mm Black Resin Case - Resin Glass - Solid Caseback - Push-Pull Crown - Rotating Bezel. Gold Dial - Gold Plated Luminous Hands and Hour Indexes. 16mm Black Resin Strap with White Pin Buckle.Water Resistant to 100 Metres 10ATM.