Seiko Cal. 5639 - 110

The Seiko 5639-110 represents an important milestone in Seiko's 1969 lineup. With its 22mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-5abfed08ab52]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1969

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