Seiko Cal. 7139 - 863

This Spring Drive model from 1981 features a 35mm PVD Black case. It features a Black dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-74645eacc2ba]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1981

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