Seiko Cal. 5643 - 690

This Kinetic model from 1968 features a 40mm Titanium case. With its 18mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-3414739b5b42]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

40mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1968

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