Seiko Cal. 4578 - 143

Seiko 4578-143

This Spring Drive model from 1971 features a 37mm Hardlex-Coated Steel case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-6134bd0c5ca9]

Also known as: Goldfeather, Sea Horse

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
9.4mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Black
Jewels
24j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1971

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