Seiko Cal. 6663 - 956

This Automatic model from 1966 features a 43mm Stainless Steel case. It features a Navy dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-2a961c05ba08]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1966

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