Seiko Cal. 6660 - 987

This Hand-Winding model from 1986 features a 42mm Hardlex-Coated Steel case. With its 21mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-cf49ed4040a4]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1986

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