Seiko Cal. 5663 - 274

Seiko 5663-274

The 5663-274 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5663 caliber with 29j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-84ec7c975b2a]

Also known as: Tuna, Goldfeather

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
13.7mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
40m
Dial Color
Navy
Jewels
29j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1974

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