Seiko Cal. 7139 - 233

The Seiko 7139-233 represents an important milestone in Seiko's 1981 lineup. Powered by the 7139 caliber with 31j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-c0bea2c5dd85]

Also known as: Samurai, Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1981

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