Seiko Cal. 7139 - 451

The Seiko 7139-451 represents an important milestone in Seiko's 1991 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-0dd49660703d]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1991

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