Seiko Cal. 6650 - 765

The 6650-765 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6650 caliber with 20j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-52e5fb708902]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1979

Related Models

• Seiko 4561-236
• Seiko 5618-744
• Seiko 6123-859
• Seiko 3845-507
• Seiko 6212-806
• Seiko 7096-151
• Seiko 0796-758
• Seiko 5660-113
• Seiko 6177-964
• Seiko 6232-417
• Seiko 6247-724
• Seiko 6348-271