Seiko Cal. 6660 - 561

The 6660-561 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-1ff3dab8b9d2]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1973

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