SEIKO Prospex SEA series AUTOMATIC 1968 Heritage Diver's GMT Watch SPB381J1 Made In JAPAN SBEJ009

Specifications Model: SPB381-J1 / SBEJ009 Movement : 6R54 Movement Movement type Automatic winding mechanical movement (can be manually wound) Power reserve : Approximately 72 hours (approximately 3 days) (fully wound) Number of jewels : 24 Case / Brand material : Stainless steel Dimensions Thickness: 12.9mm Case diameter: 42.0mm Lug to lug: 48.6mm Crystal : Sapphire crystal Crystal coating : Non-reflective coating inside LumiBrite : Hands, scales and bezel Clasp : One-touch push-type diving extension buckle Waterproof : 200m water-resistant diving watch for air diving Magnetic resistance : 4,800 A/m Weight : 176.0g Features Unidirectional rotating bezel Screw-down crown Tri-fold clasp with safety lock Screw-down case back ===============================================