Seiko Cal. 6331 - 475

This Automatic model from 1982 features a 45mm Stainless Steel case. With its 22mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-1b177fc7e273]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1982

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