Seiko Cal. 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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