Seiko Cal. 6688 - 309

The Seiko 6688-309 represents an important milestone in Seiko's 1977 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-9feebff2ed81]

Also known as: Goldfeather

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1977

Related Models

• Seiko 0780-658
• Seiko 4442-914
• Seiko 4531-217
• Seiko 5240-582
• Seiko 0714-751
• Seiko 6366-756
• Seiko 4523-135
• Seiko 5685-673
• Seiko 6395-469
• Seiko 3857-147
• Seiko 0758-358
• Seiko 6151-228