Seiko Cal. 6691 - 223

The Seiko 6691-223 represents an important milestone in Seiko's 1967 lineup. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-89f9922ffd9f]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1967

Related Models

• Seiko 0744-830
• Seiko 7078-991
• Seiko 6186-107
• Seiko 7013-574
• Seiko 4484-104
• Seiko 4582-254
• Seiko 4471-624
• Seiko 6392-993
• Seiko 0726-982
• Seiko 7055-986
• Seiko 0759-537
• Seiko 6681-196