Brand: San Martin Model:SN0117G-A/B Movement: Seagull ST3621/NH35 A:ST3621[Manual mechanical movement] B:NH35[Automatic mechanical movement] Case Diameter:41mm Lug to Lug 50.2mm Thickness 10.4/11.5mm Strap Width:22mm*18mm Strap Length:19.7cm=7.7inch Watch Weight: A:80.7g , B:81.5g Water Resistant: 10ATM Case Material: 316L Solid Stainless Steel Strap Material:Dark Brown Leather Strap, More Comfortable and Soft Dial Color: Matte Black Warranty: 2 Year ---Features: 1.Vintage Military/Classic Simple Style 2.Sapphire Crystal Glass, AR Coating 3.Plated Blue Hands, Luminous Coating 4.BGW-9 Blue Light, Hands and Markers 6.Push Pull Crown, Diamond Appearance Crown 7.Screw-down Case Back, Brushed Process 8.316L Stainless Steel Buckle, With San Martin Logo 9.Water Resistant: 10Bar=100 meters