Seiko Cal. 6690 - 808

This Spring Drive model from 1982 features a 41mm Titanium case. Powered by the 6690 caliber with 33j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-ae6c24e6f7af]

Also known as: Sumo, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1982

Related Models

• Seiko 6675-704
• Seiko 4532-450
• Seiko 6317-215
• Seiko 4515-771
• Seiko 4520-199
• Seiko 0758-639
• Seiko 6640-318
• Seiko 4577-337
• Seiko 6212-380
• Seiko 0738-441
• Seiko 5268-581
• Seiko 4478-394