Seiko Cal. 6686 - 442

The 6686-442 is a sought-after Kinetic piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-942703ed3a30]

Also known as: Bullhead, Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1971

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