Seiko Cal. 6690 - 803

This Spring Drive model from 1977 features a 41mm Titanium case. With its 19mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-04644b22ee02]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1977

Related Models

• Seiko 5239-391
• Seiko 5218-296
• Seiko 6387-792
• Seiko 6286-959
• Seiko 4522-894
• Seiko 6112-656
• Seiko 3815-697
• Seiko 6181-256
• Seiko 7080-947
• Seiko 5655-816
• Seiko 4491-212
• Seiko 7186-114