The Seiko SPB257J1 Black Series Limited Edition 1970 Mechanical Diver’s Modern Re-interpretation. Limited edition of 5,500 pieces.
Movement: Automatic with manual winding capacity
Caliber 6R35 Jewels: 24
Power reserve: 70 hours
Stainless steel case (hard coating)
D42.7mm x L41.6 mm x T13.2mm
Lumibrite on hands, indices and bezel
Sapphire crystal with inner anti-reflective coating
Water resistance: 200m / 660ft diver's
Polyester strap
An additional silicone strap is included
LIMITED EDITION on the case back
Unidirectional rotating bezel
Screw-down crown and case back
Stop second hand function