Seiko Cal. 7022 - 542

This Spring Drive model from 1979 features a 43mm Gold-Plated case. Powered by the 7022 caliber with 28j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-9627bbc1ddaa]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1979

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