Seiko Cal. 4578 - 701

This Hand-Winding model from 1975 features a 34mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-1018e63c2654]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1975

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