Seiko Cal. 5646 - 636

This Quartz model from 1966 features a 42mm Hardlex-Coated Steel case. With its 22mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-66801b67b4f1]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1966

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