Seiko Cal. 7139 - 203

This Hand-Winding model from 1976 features a 38mm PVD Black case. Powered by the 7139 caliber with 28j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-9f9e818d89e3]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1976

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