Seiko SPB257J1 Prospex reissue of the 1970 model.

Automatic mechanical movement with 24 jewels and 41-hour power reserve. Caliber 6R35.

Stainless steel case, diameter 42.7 mm, thickness 13.2 mm, width 41.6 mm. Screw-down crown and back, unidirectional rotating bezel engraved with hour minutes.

Sapphire glass.

Black dial, date window at 3 o’clock and Seiko logo at 12 o’clock. Hands and Indices with LumiBrite for night vision.

Born strap with logoed buckle.

Watch sold with dedicated Box and original Seiko Warranty.