Seiko Cal. 6660 - 335

The 6660-335 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6660 caliber with 20j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-d11bd3d3dcd9]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1966

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