Seiko Cal. 6636 - 531

This Quartz model from 1967 features a 44mm Two-Tone case. With its 21mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-2977437557a4]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1967

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