Seiko Cal. 6660 - 517

The 6660-517 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-7ffc6ad6f240]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1973

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