Seiko Cal. 5645 - 744

The Seiko 5645-744 represents an important milestone in Seiko's 1989 lineup. With its 22mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-3482f62b0aba]

Also known as: Samurai, Sumo

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1989

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