Seiko Cal. 5639 - 729

The Seiko 5639-729 represents an important milestone in Seiko's 1976 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-080a436c8250]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1976

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