Seiko Cal. 4583 - 420

Seiko 4583-420

This Spring Drive model from 1990 features a 40mm PVD Black case. Powered by the 4583 caliber with 21j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-121ee83b1b0d]

Also known as: Navigator, Crown

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
40mm
Case Thickness
12.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
130m
Dial Color
Cream
Jewels
21j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1990

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seikata-wm-121ee83b1b0d