Seiko Cal. 4583 - 663

Seiko 4583-663

The 4583-663 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4583 caliber with 20j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-d74c292de1e0]

Also known as: Monster, Helmet

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
9.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1980

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