Seiko Cal. 5612 - 837

This Hand-Winding model from 1981 features a 41mm PVD Black case. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-664a893c5487]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1981

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