Seiko Cal. 4439 - 435

The Seiko 4439-435 represents an important milestone in Seiko's 1971 lineup. With its 19mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-21fe9acdf4a5]

Also known as: Monster, Rally

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1971

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