.svg?v=50981554998986588401764158459)
JAMSTEC Limited Edition
A New Chapter for the Marinemaster Legacy
The Seiko Prospex Marinemaster HBF002J1 is a remarkable limited-edition diver's watch that celebrates Seiko's enduring partnership with the Japan Agency for Marine-Earth Science and Technology (JAMSTEC). Inspired by the Mirai II, Japan's first icebreaking polar research vessel, this exceptional timepiece combines professional dive watch engineering with a dial that reflects the beauty and power of the Arctic Ocean.
Limited to just 1,000 pieces worldwide, the HBF002J1 represents the latest evolution of the legendary Marinemaster collection, blending the iconic design of Seiko's celebrated 1968 diver with the brand's most advanced mechanical technology.
Inspired by Polar Exploration
The beautifully textured blue dial is the defining feature of this limited edition. Designed to represent the trail left by the Mirai II as it cuts through Arctic ice, the dial features multiple layers of translucent lacquer that are carefully polished to create extraordinary depth and a glass-like finish. A vertical blue gradient evokes the vast, frozen waters of the polar region, while the rich ceramic bezel perfectly complements the dial's maritime character.
The case back is engraved with "JAMSTEC LIMITED EDITION" alongside each watch's unique serial number, underlining its exclusivity and collectable appeal.
Powered by Seiko's Finest Mechanical Movement
At the heart of the HBF002J1 is the Seiko Calibre 8L45, one of the brand's highest-grade mechanical movements, hand-assembled at the prestigious Shizukuishi Watch Studio in Japan.
Developed specifically for professional dive watches, the movement offers:
- Approximate 72-hour power reserve
- Accuracy of +10/-5 seconds per day
- 35 jewels
- Automatic and manual winding
- Stop-seconds function for precise time setting
The 8L45 represents the pinnacle of Seiko's mechanical watchmaking outside its Grand Seiko division, delivering exceptional robustness, precision and reliability.
Professional Diving Performance
Built to ISO diver's watch standards, the Marinemaster is engineered for serious underwater exploration. The streamlined stainless steel case features a comfortable 4 o'clock crown position, while a screw-down crown, screw case back and ceramic unidirectional rotating bezel provide outstanding durability and security.
The dual-curved sapphire crystal benefits from an anti-reflective coating, ensuring excellent clarity above and below the water, while generous LumiBrite application delivers exceptional visibility in the darkest environments.
With 300 metres of water resistance, the HBF002J1 is every bit as capable as its professional heritage demands.
Designed for Comfort
The stainless steel bracelet features Seiko's latest sliding micro-adjustment clasp, allowing wearers to fine-tune the fit without tools. This practical feature offers outstanding comfort throughout the day and can easily accommodate wrist expansion or diving equipment when required.
Combined with the ergonomic 1968 Heritage case design, the result is a professional dive watch that wears remarkably comfortably despite its impressive capability.
Key Features
- Reference: HBF002J1
- Collection: Seiko Prospex Marinemaster
- JAMSTEC Limited Edition
- Limited to 1,000 pieces worldwide
- Seiko Calibre 8L45 automatic movement
- Automatic with manual winding
- Approx. 72-hour power reserve
- Accuracy: +10/-5 seconds per day
- 42.6mm stainless steel case with super-hard coating
- Blue textured gradient dial
- Blue ceramic unidirectional rotating bezel
- Date display
- Dual-curved sapphire crystal
- Anti-reflective coating on inner surface
- LumiBrite hands, indexes and bezel
- Screw-down crown
- Sliding micro-adjustment clasp
- Stainless steel bracelet
- 300m professional diver's water resistance
- Magnetic resistance: 4,800 A/m
We offer complimentary secure delivery to addresses in the UK.
For all online orders Deacons will arrange delivery of the goods in accordance with the delivery details provided by you. Delivery will be made by Royal Mail Special Next Day delivery requiring a signature on receipt. Please allow at least 3 - 5 working days from acceptance of your order for delivery. Please note that we can only deliver to UK addresses.
We hope you will love your purchase, but should you change your mind, a refund or exchange on online purchases can be requested within 14 days of receiving delivery. If you wish to return an item, it must be in its original unused condition and packaging.
Refunds will be provided against the original payment method or credit/debit card used to complete the purchase. If you wish to return your product, please use a secure return service with the appropriate insurance level and with full tracking, as you are responsible until this product is received. If your return is due to a damaged or defective product then we will refund the delivery charges and pay your costs of returning it to Deacons.
All returns must be sent to D&S Limited, 11-15 Wood Street, Old Town, Swindon, SN1 4AN
