Seiko Cal. 6667 - 991

The Seiko 6667-991 represents an important milestone in Seiko's 1978 lineup. Powered by the 6667 caliber with 22j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-2e6c1d7328a4]

Also known as: Shogun

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1978

Related Models

• Seiko 4448-451
• Seiko 0718-719
• Seiko 6649-289
• Seiko 6392-547
• Seiko 6147-304
• Seiko 6384-163
• Seiko 3850-363
• Seiko 6666-930
• Seiko 5254-336
• Seiko 4526-181
• Seiko 4597-960
• Seiko 5654-637