Seiko Cal. 4594 - 840

Seiko 4594-840

This Automatic model from 1974 features a 45mm Hardlex-Coated Steel case. Powered by the 4594 caliber with 30j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-e2eaea44d1ce]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
9.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1974

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