Seiko Cal. 6690 - 568

This Quartz model from 1973 features a 36mm Stainless Steel case. Powered by the 6690 caliber with 33j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-522a11a3ba29]

Also known as: Monster, Flighty

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1973

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