Seiko Cal. 6653 - 831

This Spring Drive model from 1981 features a 39mm Gold-Plated case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-c8a1b5cf55c1]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1981

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