Seiko Cal. 6691 - 223

The Seiko 6691-223 represents an important milestone in Seiko's 1996 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-2cef69e26ea7]

Also known as: Sumo, Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1996

Related Models

• Seiko 6261-278
• Seiko 7137-272
• Seiko 6618-760
• Seiko 6162-464
• Seiko 6379-323
• Seiko 7146-313
• Seiko 4497-256
• Seiko 7067-655
• Seiko 7149-412
• Seiko 6232-468
• Seiko 4464-673
• Seiko 7066-258