Seiko Cal. 7139 - 913

The Seiko 7139-913 represents an important milestone in Seiko's 1990 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-0ba6ee84cb84]

Also known as: UFO, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1990

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