Seiko Cal. 5686 - 643

This Kinetic model from 1983 features a 38mm Hardlex-Coated Steel case. It features a Black dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-cc08893e6007]

Also known as: Helmet, World Timer

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1983

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