Seiko Cal. 6636 - 939

The Seiko 6636-939 represents an important milestone in Seiko's 1972 lineup. With its 21mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-26d8af801d65]

Also known as: Pogue

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1972

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