Seiko Prospex Limited Edition SPB257J1

Seiko Prospex Limited Edition SPB257J1

The Black Series Limited Edition 1970 Mechanical Diver’s Modern Re-interpretation. Caliber 6R35 automatic and manual winding movement. Power reserve 70 hours. Central seconds hand on black dial, index hour markers. 42mm stainless steel case. Sapphire crystal on top and solid case back. Water resistant to 100M. Presented on nylon strap with one additional silicon strap included. Limited to 5,500 pieces worldwide.

Movement

Case/Band

Case Material	Stainless steel (hard coating)
Case Size	Thickness: 13.2mm Diameter: 42.7mm Lug-to-lug: 41.6mm
Crystal	Sapphire crystal
Crystal Coating	Anti-reflective coating on inner surface
LumiBrite	LumiBrite on hands, index(es) and bezel
Band Material	Polyester
Bracelet Length	260.0mm
Distance between lugs	20mm

Other Details

Weight	106.0g
Features	LIMITED EDITION on the case back Serial number engraved on the case back Screw case back Unidirectional rotating bezel Screw-down crown An additional silicone strap is included