Seiko Cal. 6637 - 537

This Hand-Winding model from 1967 features a 38mm PVD Black case. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-642205769cc6]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1967

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