Seiko Cal. 6686 - 644

This Automatic model from 1965 features a 38mm Titanium case. It features a Cream dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-841e69d6d39f]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

17j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1965

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