Seiko Cal. 6660 - 866

The Seiko 6660-866 represents an important milestone in Seiko's 1976 lineup. With its 20mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-2e87f4bbc661]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1976

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