Seiko Cal. 6112 - 640

This Spring Drive model from 1981 features a 38mm Stainless Steel case. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-00bfa394efa4]

Also known as: Tuna, Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1981

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