Prospex SPB501J1
. Learn More.
Description
The Seiko Prospex SPB501J1 is a rugged yet refined diver’s watch built for serious underwater adventures. Powered by the 6R55 automatic movement, it offers a 72-hour power reserve and reliable accuracy.
The 40mm stainless steel case is paired with a curved sapphire crystal and LumiBrite on the hands, indexes, and bezel for easy reading in low light. With 300m water resistance, magnetic protection, and a secure clasp with slide adjuster, it’s ready for action.
Marked “SPECIAL EDITION” on the case back, it’s a standout piece that blends performance with personality.
Movement
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 / Band
Case Material: Stainless steel
Thickness: 13 mm
Diameter: 40 mm
Lug-to-lug: 46.4 mm
Crystal: Curved sapphire crystal
Crystal Coating: Anti-reflective coating on inner surface
Clasp: Three-fold clasp with secure lock & push button release, solid & slide adjuster
Bracelet Length: 196.0
Distance Between Lugs: 20
Other Details
Magnetic Resistance: 4,800 A/m
Weight: {"value":174.0,"unit":"g"}
Features:
- Special edition on the case back
- Unidirectional rotating bezel
- Screw-down crown
- Three-fold clasp with secure lock
- Screw case back
- In an actual product, the case back direction might be different from the photograph.
- Lumibrite on hands, index(es) and bezel
Any purchase through our SEIKO Online Store has a 3-year guarantee.
Explore Grand Seiko
Grand Seiko elevates the pure essentials of watchmaking to the level of fine art, handcrafted to perfection.
SHOP SEIKO
Seiko is one of the few fully integrated watch manufactures. We design and develop our own movements using leading-edge technology.
