Model : PVD Black Coated SS Case and Bezel, Square cut Purple Ruby Crestings on Bezel, All Black Dial, Darken Sticks Markers , Rubber Strap with Single Fold Insignia ClaspMovement: Japanese Quartz Chronograph Movement Functions:Hours, Minutes, Secs, Chronograph 2.00 Pusher : Start /Stop 4.00 Pusher : Reset 3.00 Subdial : Running Secs of Watch 9.00 Pusher : Minute Counter 6.00 Pusher : 24 Hours 1ndicator Dimensions : Diameter 38mm x 12.5mmThkMaterial: 1piece forged case construction, solid 316 stainless steel , Thick PVD Black Coating .. Back: Solid case back with detail Serial and Insignia Engraving Crown: One-piece pull out crown Crystal: Sapphire Crystal, Double Side AR coated Water-resistant