Seiko Cal. 5689 - 378

The Seiko 5689-378 represents an important milestone in Seiko's 1978 lineup. With its 18mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-6fd2b07eea2e]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1978

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