Seiko Cal. 6637 - 692

This Quartz model from 1981 features a 38mm PVD Black case. Powered by the 6637 caliber with 19j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-f836ef86e4dc]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1981

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