Seiko Cal. 5644 - 123

The Seiko 5644-123 represents an important milestone in Seiko's 1980 lineup. With its 20mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-5ebd77cc8784]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1980

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