Seiko Cal. 6649 - 744

This Automatic model from 1971 features a 40mm Stainless Steel case. It features a Navy dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-456da77870e2]

Also known as: Bullhead, Rally

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1971

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