Seiko Cal. 0761 - 431

This Automatic model from 1970 features a 36mm Titanium case. It features a Green dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-3428c3a6eea9]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1970

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