Seiko Cal. 6653 - 690

This Spring Drive model from 1974 features a 43mm Gold-Plated case. Powered by the 6653 caliber with 27j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-eae1d54fcd77]

Also known as: Sumo, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1974

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