Seiko Cal. 6650 - 820

The Seiko 6650-820 represents an important milestone in Seiko's 1972 lineup. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-239596e4725c]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1972

Related Models

• Seiko 7049-260
• Seiko 5679-635
• Seiko 7042-789
• Seiko 6382-172
• Seiko 4414-404
• Seiko 6236-951
• Seiko 5294-601
• Seiko 3833-942
• Seiko 6379-895
• Seiko 7119-920
• Seiko 6139-916
• Seiko 5629-621