Seiko Cal. 5666 - 447

The Seiko 5666-447 represents an important milestone in Seiko's 1983 lineup. Powered by the 5666 caliber with 23j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-44fa0d33c183]

Also known as: UFO, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1983

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