Seiko Cal. 6686 - 777

Released in 1977, the Cal. 6686 with design code 777 was part of Seiko's domestic market collection. With its 18mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-da8cdd2c0029]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1977

Related Models

• Seiko 5247-280
• Seiko 5268-545
• Seiko 7027-738
• Seiko 7120-259
• Seiko 7045-326
• Seiko 0799-263
• Seiko 6380-409
• Seiko 6389-850
• Seiko 5215-610
• Seiko 5643-328
• Seiko 6324-910
• Seiko 7179-252