Seiko Cal. 5661 - 166

This Spring Drive model from 1983 features a 38mm Gold-Plated case. With its 21mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-9868357213bf]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1983

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