The Seiko Prospex Alpinist SPB155J1 is a men's automatic diver's watch with a green dial and an analog display. It has a stainless steel case and a stainless steel bracelet with a deployment clasp.
It is powered by the automatic 6R35 movement with 24 jewels. A sapphire crystal covers the dial, and a see-through case back shows the movement. The hands and markers are luminous, and the dial includes a date display.
The watch is water resistant to 200 meters, and the crown screws down. The case is approximately 38 mm in diameter and 13 mm thick.
- Movement
- Automatic, caliber 6R35
- Jewels
- 24
- Case material
- Stainless steel
- Bracelet
- Stainless steel with deployment clasp
- Crystal
- Sapphire
- Dial
- Green, analog display with date
- Luminous
- Hands and markers
- Crown
- Screw-down
- Case back
- See-through
- Water resistance
- 200 m
- Case diameter
- Approx. 38 mm
- Case thickness
- Approx. 13 mm