Seiko Cal. 5666 - 975

The Seiko 5666-975 represents an important milestone in Seiko's 1981 lineup. With its 19mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-1323ed1af7aa]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1981

Related Models

• Seiko 6687-667
• Seiko 6297-479
• Seiko 5291-539
• Seiko 6263-564
• Seiko 7185-427
• Seiko 5697-403
• Seiko 7128-410
• Seiko 3862-833
• Seiko 6126-652
• Seiko 6643-527
• Seiko 6272-492
• Seiko 6347-273