Seiko Cal. 7139 - 379

The Seiko 7139-379 represents an important milestone in Seiko's 1974 lineup. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-f4600c57a4ab]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1974

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