Seiko Cal. 4576 - 345

This Hand-Winding model from 1971 features a 35mm Hardlex-Coated Steel case. It features a Green dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-e9070a9d34d1]

Also known as: Turtle, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1971

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