Seiko Cal. 6691 - 151

Released in 1995, the Cal. 6691 with design code 151 was part of Seiko's domestic market collection. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-a7da3ca6909c]

Also known as: Bellmatic, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1995

Related Models

• Seiko 6688-157
• Seiko 6370-852
• Seiko 5610-301
• Seiko 5629-209
• Seiko 0752-501
• Seiko 7016-178
• Seiko 3891-929
• Seiko 6611-693
• Seiko 4481-942
• Seiko 7096-964
• Seiko 4439-246
• Seiko 4496-496