Seiko Cal. 7066 - 379

This Spring Drive model from 1977 features a 43mm Stainless Steel case. Powered by the 7066 caliber with 34j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-5b52ca7e930b]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1977

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