Seiko Cal. 5663 - 635

The 5663-635 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5663 caliber with 25j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-de3396a348ce]

Also known as: Goldfeather, Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1994

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