Seiko Cal. 6631 - 919

This Automatic model from 1972 features a 40mm Titanium case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e0a6edfc61de]

Also known as: Turtle, Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1972

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