Seiko Cal. 5660 - 285

The Seiko 5660-285 represents an important milestone in Seiko's 1982 lineup. Powered by the 5660 caliber with 24j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-a1b570f6d03b]

Also known as: UFO, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1982

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