Seiko Cal. 4594 - 818

This Spring Drive model from 1979 features a 45mm Stainless Steel case. Powered by the 4594 caliber with 33j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-806d2aad9ba1]

Also known as: Monster, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1979

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