Seiko Cal. 7139 - 665

This Spring Drive model from 1978 features a 37mm PVD Black case. It features a Silver dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-806bb34127be]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1978

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