Seiko Cal. 5668 - 939

This Kinetic model from 1976 features a 37mm Titanium case. Powered by the 5668 caliber with 20j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-86d497faabb5]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1976

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