Seiko Cal. 4519 - 727

This Spring Drive model from 1972 features a 37mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-2767f901196b]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1972

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