High End Men Watches Movement: 1HAOE automatic movement Movement model: 2208 Drive: single spring drive Power storage: 72h Vibration frequency: 28800 (second hour) Winding mode: automatic winding Case diameter: 4242mm Band width: 22mm Band material: rubber Waterproof depth: 30m waterproof for domestic use. Mirror: Synthetic sapphire Bottom cover: crystal glass Crown: straight in