Seiko Cal. 6660 - 706

The Seiko 6660-706 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-4a2cbb489ef1]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1981

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