Prospex SPB545J1 1965 Heritage Diver’s - Limited Edition
This Save the Ocean Limited Edition is inspired by the beautiful ocean colors of Okinawa, one of the world’s premier diving destinations.

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A dial that captures the beauty of Okinawa’s ocean watersThe ocean surrounding Okinawa is renowned for its breathtaking beauty, with crystal-clear water revealing white sandy seabeds. This watch features a sunray-patterned blue dial that reflects light beautifully, evoking the serene image of sunlight shimmering on the ocean’s surface. |
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A refined color combinationA refreshing blue dial paired with a subdued gray bezel creates a sophisticated and sporty aesthetic. |
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A new clasp designed for comfort and operabilityThe new clasp can be adjusted in six steps, each measuring about 2.5mm, for a total range of approximately 15mm. It allows for a comfortable fit at all times, accommodating changes in wrist size during diving and daily life. |
Specifications
Caliber Number: 6R55
Movement Type: Automatic with manual winding
Precision: +25 to -15 seconds per day
Power reserve: Approx. 72 hours (3 days)
Jewels: 24
Functions:
- Stop second hand function
Case Material: Stainless steel
Case Size:
- Thickness: 13.0mm
- Diameter: 40.0mm
- Lug-to-lug: 46.4mm
Crystal: Curved sapphire crystal
Crystal Coating: Anti-reflective coating on inner surface
LumiBrite: LumiBrite on hands, index(es) and bezel
Clasp: Three-fold clasp with secure lock & push button release, solid & slide adjuster
Distance between lugs: 20mm
* In an actual product, the case back direction might be different from the photograph.
Water resistance: 300m / 1000ft diver's
Magnetic resistance: 4,800 A/m
Features:
- LIMITED EDITION on the case back
- Serial number engraved on the case back
- Unidirectional rotating bezel
- Screw-down crown
- Screw case back


