Seiko Cal. 6639 - 152

This Spring Drive model from 1992 features a 40mm PVD Black case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-9cc24e992e3d]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1992

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