Seiko Cal. 7139 - 380

This Hand-Winding model from 1980 features a 45mm Two-Tone case. Powered by the 7139 caliber with 33j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-8f3bad6bc377]

Also known as: Samurai, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1980

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