Seiko Cal. 6691 - 716

This Spring Drive model from 1972 features a 40mm PVD Black case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-299bb681cab8]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1972

Related Models

• Seiko 6677-868
• Seiko 3889-143
• Seiko 6187-483
• Seiko 5264-585
• Seiko 6269-620
• Seiko 7036-482
• Seiko 3840-809
• Seiko 6199-630
• Seiko 0728-590
• Seiko 6188-504
• Seiko 6338-497
• Seiko 5222-615