Seiko Cal. 5663 - 423

The 5663-423 is a sought-after Solar piece from Seiko's golden era. Powered by the 5663 caliber with 27j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-57a91cc0e7ae]

Also known as: Rally, Silverwave

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1977

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