Seiko Cal. 5641 - 754

The Seiko 5641-754 represents an important milestone in Seiko's 1972 lineup. With its 22mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-ff2f905f7b02]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1972

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