Seiko Cal. 4431 - 974

This Spring Drive model from 1983 features a 38mm Two-Tone case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-8cc3f824a4f5]

Also known as: UFO, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1983

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