Seiko Cal. 6668 - 732

The Seiko 6668-732 represents an important milestone in Seiko's 1975 lineup. With its 20mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-5e6b07fa6316]

Also known as: Samurai, Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1975

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