Seiko 21 Jewels Self-Winding Automatic Movement (Calibre 7S36)
Stainless Steel Case and Band, Push Button Release Clasp
Hardlex Mineral Crystal, Date Display, Chronograph Function, Luminous Hands and Markers
Case Size: 37.5mm Diameter, 11mm Thickness
Water Resistant - 30M, Transparent Screw Down Case Back