Model: Watchdives WD16760 Movement: Japan NH34 GMT automatic Movement Case material: 316L stainless steel Case back: 316L stainless steel Bracelet: 316L stainless steel tapper bracelet from 20mm to 16mm. Screw Bracelet in solid 5 links, Push Pins Bracelet in solid 3 links Clasp: Folding Clasp With Safety, 5 Micro-hole Clasp, With Logo. 3-link bracelet can also fit glide lock clasp(order separately) Glass: Sapphire Crystal, High Clear AR Coating Bezel: 96 clicks Bi-directional Way , Ceramic Bezel Insert Dial Color: Glossy Enamel Black Luminous: Super BGW9 Blue Light, Dial, Hands and Markers Crown: Screw-down Crown, Case Back: Screw-down Case Back, Brushed Process Clasp: Milled Safty Clasp Crown: Screw-Down Case back: Screwback Case