Seiko Cal. 6688 - 331

The Seiko 6688-331 represents an important milestone in Seiko's 1993 lineup. It features a White dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-e6b86b67441d]

Also known as: UFO, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1993

Related Models

• Seiko 6276-196
• Seiko 4494-432
• Seiko 5231-272
• Seiko 3817-411
• Seiko 5269-171
• Seiko 4466-496
• Seiko 6316-386
• Seiko 6230-348
• Seiko 4469-443
• Seiko 7115-980
• Seiko 4515-410
• Seiko 7065-153