Seiko Cal. 6660 - 963

The 6660-963 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-bdeeda19eb5b]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1966

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