Seiko Cal. 6686 - 339

The Seiko 6686-339 represents an important milestone in Seiko's 1965 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-c83863d69413]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1965

Related Models

• Seiko 3834-337
• Seiko 7162-591
• Seiko 7122-263
• Seiko 7051-378
• Seiko 7090-979
• Seiko 6227-549
• Seiko 7089-124
• Seiko 7114-246
• Seiko 5227-159
• Seiko 5283-739
• Seiko 6118-434
• Seiko 7097-811