Seiko Cal. 6646 - 771

The Seiko 6646-771 represents an important milestone in Seiko's 1985 lineup. Powered by the 6646 caliber with 29j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-e17317c71032]

Also known as: Emperor, Flighty

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1985

Related Models

• Seiko 5671-160
• Seiko 5288-176
• Seiko 4516-194
• Seiko 5236-197
• Seiko 6151-987
• Seiko 4522-939
• Seiko 0790-205
• Seiko 5229-429
• Seiko 5225-429
• Seiko 3814-609
• Seiko 4521-317
• Seiko 4432-942