MOVEMENT: Japanese OS 20 Quartz Chronograph Movement
DIAL COLOR: Black Dial and Subdials with Steel Stick Markers
DIAMETER: 46mm
THICKNESS: 18.5mm
CASE MATERIAL: Solid Stainless Steel 316
BRACELET: Stainless Steel Mesh Bracelet with Insignia Single Fold Deployant Buckle
FRONT GLASS: Sapphire Glass with Double AR Coated.. Swiss Standards
BACK GLASS: Solid Case Back with detailed Serial engraving 
BEZEL: Uni-directional Diver Bezel
HACK MOVEMENT: Yes 
CLASP TYPE: Deployant Folding Clasp
DATE INDICATOR: At 3:00 position

OTHER REMARKS:

Water Resistant
Fully Functional Chronograph
Top Pusher starts/stops chronograph
Bottom pusher resets chronograph