Seiko Cal. 7139 - 710

This Kinetic model from 1981 features a 42mm Two-Tone case. With its 19mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-ae0f473431d1]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1981

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