Seiko - Marinemaster 1968 Heritage Diver Black Dial - HBF001

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Prospex Marinemaster 1968 Heritage Diver’s Watch. Seiko Prospex challenges every limit with timepieces created to exceed expectations, engineered with superior style and innovative technology for the sea, sky or land. Driven by rich legacy that has set the standard for dive watch specifications and a heritage of iconic design, Prospex continues to keep going forward with precision timekeeping, crafted for the modern world. An updated homage to Seiko’s landmark 1968 diver’s watch, this extraordinary timepiece is part of the high-intensity Marinemaster collection, complete with a specially engineered, highly accurate mechanical movement and rugged features designed for intrepid divers. Framed by uni-directional rotating bezel with super-hard coating and deep knurling for the ultimate in durability and ease of use, the black dial includes LumiBrite coating on the hands, markers and 12 o’clock bezel marker for superior visibility in low-light conditions and is topped with a dual-curved sapphire crystal with anti-reflective coating on the inner surface.

Movement
Caliber Number: 8L45
Movement Type: Automatic with manual winding
Power reserve: Approx. 72 hours(3 days)
Jewels: 35
Functions: 28,800 vibrations per hour (8 beats per second)
Stop second hand function: Date display

Case / Band
Case Material: Stainless steel (Bezel: Stainless steel with ceramic display)
Case Size
Thickness: 14.1 mm
Diameter: 42.6 mm
Lug-to-lug: 49.3 mm
Crystal: Dual-curved sapphire crystal
Crystal Coating: Anti-reflective coating on inner surface
LumiBrite: LumiBrite on hands, index(es) and bezel
Clasp: Three-fold clasp＆push button release, solid & slide adjuster
Distance between lugs: 20 mm
Other Details
Water Resistance: 300m / 1000ft diver's
Magnetic Resistance: 4,800 A/m

Features
Unidirectional rotating bezel
Screw-down crown
Screw case back

HBF001 Seiko
Seiko HBF001