Seiko Cal. 6688 - 937

The Seiko 6688-937 represents an important milestone in Seiko's 1987 lineup. With its 18mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-8e08da40435e]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1987

Related Models

• Seiko 3884-926
• Seiko 6380-194
• Seiko 6289-662
• Seiko 6183-406
• Seiko 6138-996
• Seiko 6151-895
• Seiko 3833-383
• Seiko 7198-238
• Seiko 6216-662
• Seiko 6118-818
• Seiko 4446-485
• Seiko 3853-832