Seiko Cal. 6660 - 906

Released in 1975, the Cal. 6660 with design code 906 was part of Seiko's domestic market collection. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-1cda7919bb04]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1975

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