Seiko Prospex GMT SPB439J1 Watch (front view)

Seiko Prospex GMT SPB439J1 Watch (model)

Prospex SPB439J1 1968' Diver's Re-interpretation GMT Save the Ocean Limited Edition

Name: Prospex SPB439J1 1968' Diver's Re-interpretation GMT Save the Ocean Limited Edition
Brand: Seiko Philippines (Official Store)
SKU: SPB439J1
Price: 100000.0 PHP
Availability: InStock

₱100,000.00

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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.

Prospex SPB439J1 1968' Diver's Re-interpretation GMT Save the Ocean Limited Edition

₱100,000.00

Movement

Caliber Number: 6R54

Movement Type: Automatic with manual winding

Precision: +25 to -15 seconds per day

Power Reserve: Approx. 72 hours(3 days)

Case Details

Case Material: Stainless steel (Bezel: Stainless steel with ceramic display)

Case Size

Thickness: 12.9 mm
Diameter: 42 mm
Lug-to-lug: 48.6 mm

Crystal: Sapphire crystal

Crystal Coating: Anti-reflective coating on inner surface

Distance between lugs: 20mm

Other Details

Water Resistance: 200m / 660ft diver's

Features and Functions:

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 back24-hour hand (dual time display function)
Stop second hand function