Ever since its first diver's watch in 1965, Seiko has developed new technologies, features and designs that have made the Seiko Prospex diver's watch collection a favorite among professional and recreational divers the world over. Through more than a half-century of innovation, Seiko has continuously pushed back the boundaries of where sports watches, and diver's watches in particular, can go and how they can be used.
- Case: 42mm Stainless Steel
- Bracelet: Stainless Steel
- Buckle: Three-fold clasp with secure lock , push button release with extender
- Dial Color: Blue
- Movement: Automatic with manual winding capacity
- Power reserve: Approx. 72 hours
- Sapphire Crystal
- LumiBrite on hands, index(es), and bezel
- Water resistance: 200 m
- Style#: SPB187
