Seiko Cal. 6688 - 651

This Quartz model from 1980 features a 42mm Stainless Steel case. With its 19mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-0a0a0f0cbe27]

Also known as: Sportsmatic, Crown

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1980

Related Models

• Seiko 6634-772
• Seiko 6284-237
• Seiko 0782-164
• Seiko 4447-815
• Seiko 6295-277
• Seiko 6112-741
• Seiko 3861-321
• Seiko 6260-143
• Seiko 5297-872
• Seiko 4418-264
• Seiko 7033-178
• Seiko 3829-554