Seiko Cal. 5641 - 988

This Hand-Winding model from 1991 features a 37mm Stainless Steel case. With its 22mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-e9a17eefc472]

Also known as: Pogue, Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1991

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