Seiko Cal. 5666 - 669

This Spring Drive model from 1987 features a 36mm Two-Tone case. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-1189b58e8336]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1987

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