Seiko Cal. 6690 - 368

The Seiko 6690-368 represents an important milestone in Seiko's 1965 lineup. With its 19mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-1b114c2d45fa]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1965

Related Models

• Seiko 6122-377
• Seiko 5626-878
• Seiko 7074-648
• Seiko 6211-619
• Seiko 7037-259
• Seiko 6373-423
• Seiko 6610-868
• Seiko 4427-559
• Seiko 4479-897
• Seiko 7056-484
• Seiko 4567-882
• Seiko 7129-292