Seiko Cal. 6690 - 936

This Kinetic model from 1973 features a 38mm PVD Black case. With its 18mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-967615ecf2f4]

Also known as: Helmet, World Timer

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1973

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