SEIKO Prospex Marine Master Professional 1978 Quartz Divers Limited Edition SBBN040 Seiko Prospex Marine Master Professional 1978 Quartz Divers Re-edition Design The crystal has no visible scratches. The case has scratches from use. The belt also shows signs of wear. The quartz function and crown rotation are working without any problems. 【Size】 Case size: 49.4mm (excluding the crown) Wrist size: 13cm～21cm Lug width: 22mm 【Materials】 Case material: Plated/Titanium/Ceramic Belt: Rubber Buckle: Tang buckle Crystal material: Sapphire crystal 【Color】 Dial: Black 【Specifications】 Movement: Quartz Caliber: 7C46 Water resistance: 1000m water resistance Unidirectional rotating bezel Screw-down crown Date and day display Lumibrite (hands and indexes) Magnetic resistance (JIS magnetic resistant watch type 1) One-piece structure Serial number on the case back Limited to 1978 pieces (500 pieces in Japan) Thank you.