
Seiko Prospex Unisex Automatic SPB157J1
Seiko Prospex challenges every limit, with a collection of timepieces for sports lovers and adventure seekers whether in the water, in the sky or on land. Since launching Japan’s first diver’s watch in 1965, Seiko’s innovative technology has changed global standards. We are constantly striving to bring ever greater reliability and safety to both professional and recreational divers.
Movement
- Caliber Number: 6R35
- Movement Type: Automatic with manual winding
- Precision: +25 to -15 seconds per day
- Power reserve: Approx. 70 hours
- Jewels 24
- Functions
-
- Stop second hand function
- Date display
Case/Band
- Case Material: Stainless steel
- Case Size
- Thickness:12.9mm
Diameter:38.0mm
Lug-to-lug:46.0mm - Crystal: Curved sapphire crystal
- Crystal Coating: Anti-reflective coating on inner surface
- LumiBrite: Lumibrite on hands and index(es)
- Band Material: Calfskin
- Clasp: Three-fold clasp with push button release
- Distance between lugs: 20mm
Other Details
- Water Resistance: 20 bar
- Weight: 85.0g
- Features
-
- See-through case back
- Screw-down crown