Seiko Cal. 5663 - 349

Seiko 5663-349

The 5663-349 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5663 caliber with 27j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-e676951a8da7]

Also known as: Sumo, Shogun

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
14.7mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
27j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1980

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