Seiko Cal. 6660 - 407

The Seiko 6660-407 represents an important milestone in Seiko's 1980 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-7d0d90f9420a]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1980

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