Seiko Cal. 7139 - 745

This Automatic model from 1982 features a 38mm Stainless Steel case. Powered by the 7139 caliber with 33j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-4c62ec9259d5]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1982

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