Movement
Caliber Number: 6R54
Movement Type: Automatic with manual winding
Precision: '+25 to -15 seconds per day
Power Reserve: Approx. 72 hours(3 days)
Jewels: 24
Functions:
- 24-hour hand (dual time display function)
- Stop second hand function
Case / Band
Case Material: Stainless steel (Bezel: Stainless steel with ceramic display)
Thickness: 13.3 mm
Diameter: 42 mm
Lug-to-lug: 48.6 mm
Crystal: Sapphire crystal
Crystal Coating: Anti-reflective coating on inner surface
Clasp: Three-fold clasp with secure lock & push button release, solid & slide adjuster
Other Details
Water Resistance: 300m / 1000ft diver's
Features:
- LumiBrite on hands, index(es) and bezel
- Unidirectional rotating bezel
- Screw-down crown
- Screw case back
Any purchase through our SEIKO Online Store has a 3-year guarantee.
Frequently Asked Questions
The HBC002J1 is a Seiko Prospex GMT diver’s watch inspired by the 1968 heritage diver design and built for professional-grade performance.
It uses the Seiko Caliber 6R54 automatic GMT movement with approximately 72 hours of power reserve.
Yes, it features a GMT hand that allows tracking of a second time zone, ideal for travel and international use.
Yes, it has 300-meter water resistance, a screw-down crown, and a unidirectional rotating bezel designed for professional diving use.
It stands out for its 1968 heritage-inspired design, GMT functionality, ceramic bezel, and upgraded micro-adjustment clasp.
