Seiko Cal. 5664 - 529

This Spring Drive model from 1990 features a 40mm Stainless Steel case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-8c0c1a9af59e]

Also known as: Sumo, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1990

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