Seiko Cal. 6641 - 186

The 6641-186 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6641 caliber with 23j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-2133942f428f]

Also known as: Panda, Rally

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1983

Related Models

• Seiko 6670-108
• Seiko 0792-932
• Seiko 4555-988
• Seiko 7132-584
• Seiko 4586-181
• Seiko 5298-987
• Seiko 0715-913
• Seiko 6358-205
• Seiko 6127-609
• Seiko 6234-347
• Seiko 0765-989
• Seiko 5633-485