Seiko Cal. 6139 - 931

This Solar model from 1971 features a 40mm Stainless Steel case. Powered by the 6139 caliber with 18j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-b2d41beea29c]

Also known as: Pogue, Sea Horse

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1971

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