Seiko Men's Prospex Black Series 1970 Limited Edition Diver Watch with Black Dial & Brown Polyester Strap - SPB257

Prospex Black Series Limited Edition

1970 Diver's Watch Re-Interpretation

Limited Edition of 5,500

Prospex Automatic Diver

Automatic with manual winding capability

Black uni-directional rotating elapsed timing bezel with orange accents

Black dial with orange accents

Date calendar

LumiBrite hands and markers

Screwdown crown and caseback

Case dimensions: Thickness: 13.2mm, Diameter: 42.7mm

Stainless steel case with black hard coating

Sapphire crystal with anti-reflective coating on the inner surface

Brown high-intensity "Seichu" fabric strap, made in Japan with superior flexibility, but the strength necessary for diving. Additional black silicone strap

Caliber 6R35

21,600 vibrations per hour

24 jewels

Power reserve: approximately 70 hours

Water resistance: 200 meters (660 feet), follows ISO standards and is suitable for scuba diving