Seiko Cal. 3831 - 705

This Automatic model from 1977 features a 34mm Titanium case. It features a White dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-82be545e4cd4]

Also known as: Sumo, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1977

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