Seiko Cal. 6640 - 895

This Automatic model from 1979 features a 35mm Titanium case. It features a Burgundy dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-5ccee9fb38f8]

Also known as: Sumo, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1979

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