Seiko Cal. 5686 - 168

This Hand-Winding model from 1971 features a 37mm Hardlex-Coated Steel case. Powered by the 5686 caliber with 28j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-c933b31bf0a8]

Also known as: World Timer, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1971

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