1968 Heritage Diver's GMT U.S. Limited Edition. Designed for those who treat life as the ultimate adventure, the Seiko Prospex line meets every challenge with technological excellence and style. This extraordinary timepiece, available in a controlled production run of 500 pieces, honors Seiko’s landmark 1968 Diver’s Watch and showcases the brand’s first mechanical GMT movement created for diving, caliber 6R54. Extending the theme of duality with functionality in the sea and on land, the dramatic vertically gradated dial reflects the view from above and below the water. 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 black ceramic uni-directional rotating elapsed timing bezel with a knurled edge for enhanced operability, the rich blue 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 and following ISO standards for scuba diving to depths of 200 meters, 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. 200m Water Resistant
FEATURES
1968 Heritage Diver’s GMT U.S. Limited Edition Limited Edition of 500 Serial number engraved on caseback The dramatic vertically gradated blue dial reflects the view from above and below the water Black ceramic uni-directional rotating elapsed timing bezel Automatic GMT with manual winding capability Date calendar Gold-tone GMT hand LumiBrite hands and markers Screwdown crown and caseback Tri-fold push button release clasp with secure lock and extender
TECHNICAL DATA
MODEL: SPB477
COLLECTION: Prospex
SUB COLLECTION: 1968 Heritage Diver's Watch
GENDER: Men
DIAL COLOR: Blue
STRAP MATERIAL: Stainless Steel
STRAP DETAIL: Stainless steel bracelet with super-hard coating
LUG WIDTH (MM): 20
MOVEMENT: Automatic GMT
CALIBER: 6R54
MOVEMENT DETAIL:
Caliber 6R54
21,600 vibrations per hour
24 jewels
POWER RESERVE: approximately 72 hours
CASE MATERIAL: Stainless steel case with super-hard coating
CASE DIAMETER (MM): 42
CASE THICKNESS (MM): 12.9
CASE LENGTH (MM): 48.6
CRYSTAL TYPE: Sapphire crystal with anti-reflective coating on the inner surface
WATER RESISTANCE: 1000 meters
LIMITED EDITION: Yes
FEATURES
TECHNICAL DATA
Caliber 6R54
21,600 vibrations per hour
24 jewels
POWER RESERVE: approximately 72 hours
Blue
1968 Heritage Diver's GMT U.S. Limited Edition. Designed for those who treat life as the ultimate adventure, the Seiko Prospex line meets every challenge with technological excellence and style. This extraordinary timepiece, available in a controlled production run of 500 pieces, honors Seiko’s landmark 1968 Diver’s Watch and showcases the brand’s first mechanical GMT movement created for diving, caliber 6R54. Extending the theme of duality with functionality in the sea and on land, the dramatic vertically gradated dial reflects the view from above and below the water. 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 black ceramic uni-directional rotating elapsed timing bezel with a knurled edge for enhanced operability, the rich blue 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 and following ISO standards for scuba diving to depths of 200 meters, 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. 200m Water Resistant
FEATURES
1968 Heritage Diver’s GMT U.S. Limited Edition Limited Edition of 500 Serial number engraved on caseback The dramatic vertically gradated blue dial reflects the view from above and below the water Black ceramic uni-directional rotating elapsed timing bezel Automatic GMT with manual winding capability Date calendar Gold-tone GMT hand LumiBrite hands and markers Screwdown crown and caseback Tri-fold push button release clasp with secure lock and extender
TECHNICAL DATA
MODEL: SPB477
COLLECTION: Prospex
SUB COLLECTION: 1968 Heritage Diver's Watch
GENDER: Men
DIAL COLOR: Blue
STRAP MATERIAL: Stainless Steel
STRAP DETAIL: Stainless steel bracelet with super-hard coating
LUG WIDTH (MM): 20
MOVEMENT: Automatic GMT
CALIBER: 6R54
MOVEMENT DETAIL:
Caliber 6R54
21,600 vibrations per hour
24 jewels
POWER RESERVE: approximately 72 hours
CASE MATERIAL: Stainless steel case with super-hard coating
CASE DIAMETER (MM): 42
CASE THICKNESS (MM): 12.9
CASE LENGTH (MM): 48.6
CRYSTAL TYPE: Sapphire crystal with anti-reflective coating on the inner surface
WATER RESISTANCE: 1000 meters
LIMITED EDITION: Yes
FEATURES
TECHNICAL DATA
Caliber 6R54
21,600 vibrations per hour
24 jewels
POWER RESERVE: approximately 72 hours
Dial
Blue
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