Seiko Cal. 5212 - 566

This Spring Drive model from 1979 features a 43mm Gold-Plated case. Powered by the 5212 caliber with 19j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-7ab2e20839f1]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1979

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