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 diver’s watch, as well as an elegantly chamfered case and bezel and a flexible double-curved bracelet for a comfortable fit. Based largely on Seiko’s 1965 diver’s watch, the first made in Japan, this exceptional timepiece extends the Prospex tradition of celebrating its rich legacy of innovation in high-intensity timekeeping by re-creating and re-interpreting signature achievements with today’s finest technology and materials. Visible beneath the caseback, the thin, but exceptionally accurate, 26-jewel 6L37 movement beats at a frequency of 28,800 vibrations per hour, and provides a power reserve of approximately 45 hours and manual winding capability. Framed by a uni-directional rotating elapsed timing bezel, the distinctively patterned blue dial offers LumiBrite hands and markers. As rugged as it is stylish, this premium diver’s watch, following ISO standards for scuba diving, is crafted of stainless steel with a durable super-hard coating and features a box-shaped sapphire crystal with anti-reflective coating on the inner surface, screwdown crown, and a tri-fold push button release clasp with secure lock and extender. Packaged in a special collectors’ box.200m Water Resistant
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Tri-fold push button release clasp with secure lock and extender
Packaged in a special collector's box
Case Dimensions:
Diameter
39.5
Thickness
12.3
Length
47.2
Case Material:
Stainless steel case with super-hard coating
Crystal Material:
Box-shaped sapphire crystal with anti-reflective coating on the inner surface
Dial Color:
Light Blue
Strap:
Flexible double curved stainless steel bracelet with super-hard coating
Water Resistance:
200 meters (660 feet), follows ISO standards and is suitable for scuba diving
Technology:
Automatic
Movement:
Caliber 6L37
28,800 vibrations per hour
26 jewels
Power reserve: approximately 45 hours
Caliber Number:
6L37
Booklet:
JSY6L37D1
The Prospex Collection
Seiko Prospex challenges every limit, with a collection of timepieces for sports lovers and adventure seekers whether in the water, in the sky or on land. Since launching Japan’s first diver’s watch in 1965, Seiko’s innovative technology has changed global standards. We are constantly striving to bring ever greater reliability and safety to both professional and recreational divers.
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