Seiko Cal. 6690 - 968

The 6690-968 is a sought-after Solar piece from Seiko's golden era. Powered by the 6690 caliber with 30j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-6fd6590dde2c]

Also known as: UFO, Navigator

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1987

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