Seiko Cal. 5641 - 180

The Seiko 5641-180 represents an important milestone in Seiko's 1987 lineup. With its 22mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-746a4b990ba7]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1987

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