2JewelleryLeather Watches For Men, meteorite texture literal, Geneva dial, 6-digit tourbillon, 316L fine steel case, top layer cow leather strap, super energy storage, multi-color optional. Movement: flying tourbillon Movement model: CAL.3H35 Drive: single bar drive Power storage: 42 (hours) Vibration frequency: 28800 (second hour) Chain-up mode: manual chain up Case Material: 316 fine steel/PVD electroplating rose gold Gem bearing: 19 Material: first layer cow leather Case diameter: 40-42 mm Waterproof depth: life waterproof Case thickness: 13.3mm Mirror: synthetic sapphire mirror Strap width: 20mm Bottom cover: steel bottom Weight: 92.3g Crown: straight in