Seiko Cal. 7139 - 954

The Seiko 7139-954 represents an important milestone in Seiko's 1979 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-ada0480908da]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1979

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