Seiko Cal. 6691 - 812

The Seiko 6691-812 represents an important milestone in Seiko's 1973 lineup. With its 20mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-290f46c891fa]

Also known as: Shogun, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1973

Related Models

• Seiko 5252-317
• Seiko 4547-405
• Seiko 6610-871
• Seiko 5632-915
• Seiko 6215-454
• Seiko 5687-270
• Seiko 4489-384
• Seiko 6279-444
• Seiko 6239-814
• Seiko 6672-992
• Seiko 5270-975
• Seiko 5268-462