Seiko Cal. 3893 - 955

This Spring Drive model from 1971 features a 40mm Titanium case. It features a Silver dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-334798bdc1be]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1971

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