Seiko Prospex Marinemaster 1968 Heritage Reinterpretation in Satin Black Men's Watch | HBF001J1

The Seiko Prospex Marinemaster 1968 Heritage Re-Interpretation "Satin Black" Men's Watch HBF001J1 is a premium professional diver's watch that embodies Seiko's legendary underwater heritage while incorporating the brand's latest advancements in mechanical watchmaking. Inspired by Seiko's iconic 1968 diver's watch, this Marinemaster model features a sophisticated Satin Black dial, robust construction, and the flagship Calibre 8L45 automatic movement. Designed to meet the demands of professional divers and enthusiasts alike, the HBF001J1 delivers exceptional reliability, precision, and timeless Japanese craftsmanship.

Expertly crafted from stainless steel, the watch features a substantial yet ergonomic 42.6mm round case with a 14.1mm thickness and a balanced 49.3mm lug-to-lug profile for comfortable wear. The elegant Satin Black dial offers excellent legibility, complemented by a durable ceramic unidirectional rotating bezel for precise dive timing. A premium dual-curved sapphire crystal with an anti-reflective coating on the inner surface protects the dial while minimizing glare. LumiBrite applied to the hands, indexes, and bezel ensures outstanding visibility in low-light and underwater environments. Completing the professional design is a stainless steel bracelet fitted with a three-fold clasp featuring push-button release and a solid slide adjuster for secure and comfortable wear.

At the heart of the HBF001J1 beats Seiko's flagship Calibre 8L45 automatic movement, featuring manual winding capability, 35 jewels, a high-beat frequency of 28,800 vibrations per hour (8 beats per second), and an impressive 72-hour power reserve. Engineered to deliver exceptional precision of +10 to -5 seconds per day, the movement also incorporates a practical date display and stop-seconds function for accurate time setting. Built to professional diving standards, the watch features a screw-down crown, screw case back, 300-meter (1000ft) water resistance, and 4,800 A/m magnetic resistance, making it a dependable companion for underwater exploration and everyday performance.

Key Features

• Seiko Prospex Marinemaster Collection
• 1968 Heritage Re-Interpretation
• Satin Black Dial
• Seiko Premium In-House Calibre 8L45 Automatic Movement
• Manual Winding Capability
• 35 Jewels
• Approx. 72-Hour Power Reserve
• 42.6mm Stainless Steel Case
• Ceramic Unidirectional Rotating Dive Bezel
• Dual-Curved Sapphire Crystal with Anti-Reflective Coating
• LumiBrite Hands, Indexes & Bezel
• 300m Professional Diver's Water Resistance
• 2 Years Manufacturer Warranty

Additional Information