Seiko Cal. 6639 - 156

This Quartz model from 1975 features a 39mm Stainless Steel case. With its 18mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-8c1ec5128cea]

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1975

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