Prospex Marinemaster 1965 Heritage Diver's Watch. Distinguished by its blend of functionality and aesthetics, this extraordinary timepiece, part of the first globally launched watch series to bear the Marinemaster name, features the first see-through screwdown caseback on a Seiko divers watch, as well as an elegantly chamfered case and bezel and a flexible double-curved bracelet for a comfortable fit.

Manual and automatic winding capabilities

Case Diameter: 39.5mm

28,800 vibrations per hour

Power reserve: approximately 45 hours

Light Blue Dial

Strap: Flexible double curved stainless steel bracelet with super-hard coating

Water-resistance: 200 meters

Caliber 6L37

Style#: SJE099