Seiko Prospex Marinemaster JAMSTEC Limited Edition 1968 Heritage Reinterpretation Men's Watch | HBF002J1

The Seiko Prospex Marinemaster JAMSTEC Limited Edition 1968 Heritage Re-Interpretation Men's Watch HBF002J1 is an elite professional diver's timepiece that celebrates Seiko's enduring partnership with the Japan Agency for Marine-Earth Science and Technology (JAMSTEC). Inspired by Seiko's legendary 1968 Heritage Diver, this exclusive Limited Edition model combines cutting-edge mechanical engineering with exceptional diving performance. Featuring Seiko's flagship mechanical movement, premium materials, and a robust 300-meter professional diver's specification, the HBF002J1 is built for serious underwater exploration while remaining a highly collectible timepiece.

Expertly crafted from stainless steel, the watch features a durable 42.6mm round case with a 14.1mm thickness and a balanced 49.3mm lug-to-lug profile. The premium ceramic-insert unidirectional rotating bezel offers exceptional scratch resistance and precise elapsed-time measurement during dives. Protecting the dial is a dual-curved sapphire crystal with an anti-reflective coating on the inner surface, ensuring outstanding clarity in every environment. LumiBrite applied to the hands, hour markers, and bezel provides superior legibility in dark underwater conditions. 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 a secure and comfortable fit over a wetsuit.

At the heart of the HBF002J1 beats Seiko's premium in-house 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. Offering exceptional precision of +10 to -5 seconds per day, the movement also includes a date display and stop-seconds function for accurate time setting. Engineered for professional diving, the watch incorporates a screw-down crown, screw case back, 300-meter (1000ft) diver's water resistance, and 4,800 A/m magnetic resistance. As a genuine collector's piece, the case back is engraved with "LIMITED EDITION" and an individual serial number, highlighting its exclusivity.

Key Features

• Seiko Prospex Marinemaster Collection
• JAMSTEC Limited Edition
• 1968 Heritage Diver Re-Interpretation
• 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