Seiko Cal. 6636 - 472

This Automatic model from 1981 features a 41mm PVD Black case. With its 21mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-c039d1a6d7c2]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1981

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