Seiko Cal. 6690 - 748

This Spring Drive model from 1991 features a 34mm Two-Tone case. With its 19mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-e89428d104ec]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1991

Related Models

• Seiko 7125-324
• Seiko 4520-656
• Seiko 5283-756
• Seiko 5694-304
• Seiko 7036-913
• Seiko 5641-232
• Seiko 3878-112
• Seiko 7077-798
• Seiko 4499-727
• Seiko 7169-651
• Seiko 4495-672
• Seiko 6348-161