Product Parameters Model: S202032 Movement Model: VD78 Quartz Movement Case: 316L Stainless Steel Case Diameter: 39mm (including crown 42mm) Dial: Black / Blue / White Dial Diameter: 37mm Lug to Lug : 46.4mm Thickness: 9.7mm (including glass 11.9mm) Glass: Dome Sapphire Crystal,AR Coating Hands: Polished, Luminous: Super-LiminNova Retro Yellow Crown: Screw-in,316L Stainless Steel Caseback: Screw-in, 316L Stainless Steel Strap: Genuine Leather Strap Width: 20mm Buckle: 316L Stainless Steel Waterproof: 200M Weight: About 64g Warranty: 2 Years