Seiko Cal. 7139 - 182

The Seiko 7139-182 represents an important milestone in Seiko's 1970 lineup. Powered by the 7139 caliber with 20j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-c6136228617b]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1970

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