Seiko Cal. 7139 - 129

This Spring Drive model from 1977 features a 40mm Titanium case. It features a Black dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-98a3a82e07de]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1977

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