Seiko Cal. 4439 - 923

The Seiko 4439-923 represents an important milestone in Seiko's 1976 lineup. With its 21mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-e19602c80778]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1976

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