Seiko Cal. 5641 - 754

The Seiko 5641-754 represents an important milestone in Seiko's 1981 lineup. With its 20mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-ead41eb37e73]

Also known as: Pogue, UFO

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1981

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