Seiko Cal. 5691 - 741

This Kinetic model from 1970 features a 39mm PVD Black case. With its 18mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-43d6f4a5139c]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1970

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