Seiko Cal. 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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