Prospex SPB439J1 1968' Diver's Re-interpretation GMT Save the Ocean Limited Edition
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Description
The Seiko Prospex SPB439J1 is a refined diver’s watch built for travel and adventure. It features a dual time display powered by the 6R54 automatic movement, with an impressive 72-hour power reserve. The 42 mm stainless steel case is paired with a ceramic bezel and sapphire crystal for durability and clarity.
With 200m water resistance, LumiBrite for low-light visibility, and a secure clasp, it’s ready for serious dives. As a limited edition, it also sports a serial number engraved on the case back, adding a collectible touch.
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: 14.7 mm
Diameter: 40.5 mm
Lug-to-lug: 48.7 mm
Crystal: Sapphire crystal
Crystal Coating: Anti-reflective coating on inner surface
Clasp: Three-fold clasp with secure lock , push button release with extender
Distance Between Lugs: 20mm
Other Details
Water Resistance: 200m / 660ft diver's
Magnetic Resistance: 4,800 A/m
Weight: 177 g
Features:
- LumiBrite on hands, index(es) and bezel
- LIMITED EDITION on the case back
- Serial number engraved on the case back
- Unidirectional rotating bezel
- Screw-down crown
- Three-fold clasp with secure lock
- Screw case back
Any purchase through our SEIKO Online Store has a 3-year guarantee.
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