Seiko Cal. 5679 - 872

This Spring Drive model from 1979 features a 37mm Stainless Steel case. Powered by the 5679 caliber with 23j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-e87efe7c8e9a]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1979

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