Seiko Cal. 5666 - 673

The Seiko 5666-673 represents an important milestone in Seiko's 1979 lineup. Powered by the 5666 caliber with 22j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-485cb1216312]

Also known as: UFO, Rally

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1979

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