Seiko Cal. 4578 - 712

Seiko 4578-712

This Spring Drive model from 1986 features a 38mm Gold-Plated case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-65a4fab78535]

Also known as: Helmet, Silverwave

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
15.6mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1986

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seikata-wm-65a4fab78535