Seiko Cal. 4439 - 623

The Seiko 4439-623 represents an important milestone in Seiko's 1979 lineup. With its 20mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-1e97cf32f05d]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1979

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