Caliber No: 4R36 Movement Type: Manual winding automatic Power Reserve: Approx. 41 hours Jewels: 24 Function: Date display CASE - STRAP Case Material: Stainless steel Case Size: Height: 13.4 mm Diameter: 45 mm Glass Material: Hardlex glass Strap: Steel LumiBrite: LumiBrite hands Buckle: Triple buckle with secure lock Band width: 22 mm WATCH FEATURES Water resistance: 200m / 660ft diver's Weight: 195.0g Collection: Prospex PADI Special Edition DESCRIPTION Seiko PROSPEX PADI Automatic Diver's watch with stainless steel case. To celebrate its partnership with the Association of Professional Diving Instructors, SEIKO released a special PROSPEX PADI edition this year. This PROSPEX PADI Special Edition is powered by the Automatic 4R36 caliber and is a re-release of the 1970s Seiko Pepsi 6309 model, featuring the same 45mm diameter stainless steel case shape. It boasts a bright blue dial with the PADI logo and a unidirectional rotating stainless steel bezel with a blue and red carbon titanium finish reflecting the PADI colours. Seiko new watch,it has original mechanism inside,case is aftermarket.No box,no papers.