Seiko Cal. 5666 - 660

This Kinetic model from 1977 features a 39mm Gold-Plated case. Powered by the 5666 caliber with 27j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-c623ff2a29f2]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1977

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