Seiko Cal. 6691 - 983

The Seiko 6691-983 represents an important milestone in Seiko's 1974 lineup. Powered by the 6691 caliber with 34j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-6c9bdfc8b477]

Also known as: Turtle, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1974

Related Models

• Seiko 6327-531
• Seiko 4533-921
• Seiko 7093-966
• Seiko 6649-282
• Seiko 7166-851
• Seiko 6659-638
• Seiko 5247-653
• Seiko 0721-403
• Seiko 6147-316
• Seiko 6319-978
• Seiko 3856-126
• Seiko 4416-853