Seiko Cal. 5652 - 391

This Spring Drive model from 1978 features a 42mm Gold-Plated case. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-76a71843e9b5]

Also known as: Sumo, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1978

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