Seiko Cal. 6691 - 992

This Quartz model from 1973 features a 42mm Hardlex-Coated Steel case. With its 21mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-c11d90f81f3f]

Also known as: Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1973

Related Models

• Seiko 7134-913
• Seiko 7058-939
• Seiko 4549-472
• Seiko 5688-580
• Seiko 5694-608
• Seiko 4476-131
• Seiko 6251-601
• Seiko 0782-830
• Seiko 0722-285
• Seiko 7077-114
• Seiko 7144-579
• Seiko 3880-423