Seiko Cal. 6663 - 656

The 6663-656 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-3ee488bf24b3]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1984

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