Model : PVD Black Coated Polished Stainless Steel Case, Black 2 Tier Dial, Black Lower Tier subdials with Green needles on Black Preforated Leather strap with Green Base Insignia Deployant BuckleMovement: Japanese OS 20 Working Chronograph Quartz Movement Functions: Hours, Minutes, Date ( 12.00, Set via crown), 24 Hours Indicator (3.00 subdial) Chronograph 9.00 Subdial : Min Counter 2.00 Pusher : Start/Stop Chronograph 4.00 Pusher : Reset Chronograph Dimensions : Width 52mm x Height 42.5mm x 14mmThk Material : Solid 316 Stainless Steel in Brushed finished, Thick PVD Black CoatingBack : Solid case back with Insignia Crown : One-piece Pull out crown Crystal: Synthetic Crystal, AR Coated Water-resistant