Seiko Cal. 5663 - 423

Seiko 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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