Seiko Cal. 6691 - 150

This Quartz model from 1984 features a 44mm PVD Black case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-987f1c3c8aaa]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1984

Related Models

• Seiko 6252-773
• Seiko 5656-656
• Seiko 7019-143
• Seiko 7038-960
• Seiko 4535-454
• Seiko 5283-347
• Seiko 4441-239
• Seiko 5291-403
• Seiko 7165-414
• Seiko 7083-336
• Seiko 6392-995
• Seiko 4530-771