Seiko Cal. 7139 - 171

The Seiko 7139-171 represents an important milestone in Seiko's 1974 lineup. Powered by the 7139 caliber with 18j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-5abfd92eaff7]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1974

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