1968 D1968 Heritage Diver’s GMT. Designed for those who treat life as the ultimate adventure, the Seiko Prospex line meets every challenge with technological excellence and style. Part of a rich legacy of innovation in high-intensity timekeeping, Prospex continues to celebrate a long history of sports watch expertise with re-creations and re-interpretations of landmark achievements. This extraordinary timepiece, re-interpreting Seiko’s landmark 1968 diver’s watch, showcases the brand’s first mechanical GMT movement in a diver’s watch, caliber 6R54. Providing a power reserve of approximately 72 hours, the longest of any Seiko mechanical watch, this 24-jewel automatic GMT movement beats at a frequency of 21,600 vibrations per hour and offers manual winding capability. The GMT hand can be set independently in one-hour increments, without interrupting the time-of-day hands, to provide a second time zone reading at a glance. Framed by a Made-in-Japan green ceramic uni-directional rotating elapsed timing bezel with knurled edge for enhanced operability, the rich green dial features a date calendar, gold GMT hand, and large LumiBrite markers and hands for enhanced legibility. Crafted of stainless steel with super-hard coating, this superbly functional timepiece includes an anti-reflective sapphire crystal, screwdown crown and caseback, three-link, slim profile bracelet, and a tri-fold push button release clasp with secure lock and extender, and is suitable for scuba diving to depths of up to 200 meters.
- TYPE: Watch
- MOVEMENT: Automatic GMT
- CALIBER: 6R54
- DIAL COLOR: Green
- BAND: Stainless Steel
- STRAP MATERIAL: Stainless steel bracelet with super-hard coating
- CASE THICKNESS: 12.9 mm
- CASE MATERIAL: Stainless steel case with super-hard coating
- CASE LENGTH: 48.6 mm
- CASE SIZE: 42.0 mm
- CRYSTAL TYPE: Sapphire crystal with anti-reflective coating on the inner surface
- WATER RESISTANCE: 200 meters (660 feet), suitable for scuba diving
- 21 600 vibrations per hour
- Power reserve: approximately 72 hours
- 24 jewels
- 1968 Heritage Diver’s GMT
- Prospex Automatic Diver
- Automatic GMT with manual winding capability
- Green ceramic uni-directional rotating elapsed timing bezel
- Green dial
- Date calendar
- Gold GMT hand
- LumiBrite hands and markers
- Screwdown crown and caseback
- Tri-fold push button release clasp with secure lock and extender
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