Seiko Cal. 6138 - 772

The Seiko 6138-772 represents an important milestone in Seiko's 1974 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-645b18887f6f]

Also known as: Bullhead, Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1974

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