Seiko Cal. 6690 - 503

This Automatic model from 1965 features a 41mm Titanium case. It features a Champagne dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-16be918c96a1]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1965

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