Seiko Cal. 6688 - 227

The Seiko 6688-227 represents an important milestone in Seiko's 1970 lineup. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-96ccd00944b6]

Also known as: Silverwave, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1970

Related Models

• Seiko 7111-868
• Seiko 3812-278
• Seiko 7110-228
• Seiko 5637-548
• Seiko 6175-835
• Seiko 6227-493
• Seiko 7132-185
• Seiko 4425-798
• Seiko 6372-790
• Seiko 6296-334
• Seiko 6357-476
• Seiko 6640-600