Seiko Cal. 6139 - 750

This Spring Drive model from 1969 features a 43mm Stainless Steel case. Powered by the 6139 caliber with 20j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-eb07fcb93be8]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1969

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