Seiko Cal. 4439 - 380

This Spring Drive model from 1982 features a 39mm Gold-Plated case. Powered by the 4439 caliber with 28j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-d955e1e17dcf]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1982

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