Seiko Cal. 5640 - 587

This Hand-Winding model from 1982 features a 41mm Gold-Plated case. With its 18mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-ec0b3fe68bcd]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1982

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