Seiko Cal. 7139 - 272

The Seiko 7139-272 represents an important milestone in Seiko's 1971 lineup. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-64cf2878ed15]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1971

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