Seiko Cal. 6660 - 317

The 6660-317 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6660 caliber with 18j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-1c7793420368]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1968

Related Models

• Seiko 7191-981
• Seiko 4510-314
• Seiko 6240-644
• Seiko 3858-189
• Seiko 6256-768
• Seiko 6252-200
• Seiko 5297-359
• Seiko 6325-156
• Seiko 6246-121
• Seiko 5237-666
• Seiko 7115-684
• Seiko 5234-596