Seiko Cal. 6688 - 237

The Seiko 6688-237 represents an important milestone in Seiko's 1990 lineup. With its 21mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-7a61a8a72d09]

Also known as: Silverwave, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1990

Related Models

• Seiko 5682-871
• Seiko 5213-137
• Seiko 3849-222
• Seiko 5290-888
• Seiko 7089-558
• Seiko 4475-936
• Seiko 6270-892
• Seiko 5210-702
• Seiko 3861-280
• Seiko 4463-646
• Seiko 6181-607
• Seiko 6669-344