Seiko Cal. 4439 - 891

Released in 1969, the Cal. 4439 with design code 891 was part of Seiko's domestic market collection. With its 18mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-3aa7cc6aa020]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1969

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