All about movements: Ellicott Caliber MG-3

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MG3 Movement Ellicott

Carl F.Bucherer Calibre A1000

Peripheral winding movements are not a new technology. We have seen many of them for the past years, like for instance, the A1000 movement from the house Carl-F.Bucherer.

The first patent regarding this invention, was requested in May 27^th, 1966 to the French Minister of Industry, and delivered in April 10^th, 1967. We owe this invention to the house Patek Phillipe.

This patented mechanism comprises a rotor that is able to displace angular movements higher than 360° and a setting arbor that emerges perpendicularly to the front face of the movement, on the other side of the dial. It is characterized by the fact that this rotor, which is fitted with its pivotal device, is lodged in a zone peripheral to the movement and entirely within the height of this movement. At the same time, the setting arbor, which is outer-lying in relation to the movement, also constitutes the movement’s manual winding-shaft.

This caliber which constitutes the results of Laurent Besse’s team and his “Artisans Hologers” work, is an upgrade of the 12.50. The caliber can be found on the model Majesty from the house Elicott.
With the circumferential rotor, a new self-winding movement era is born. Providing a 70-hour power reserve, it features hours and minutes with running seconds off-centered at 10 o’clock and a date calendar at 3 o’clock.

Technical Details:

• Calibre MG3
• Self-winding mechanical movement
• Diameter 28.00 mm
• Height 3.80 mm
• Number of parts 253
• Number of jewels 31
• Power reserve 70 hours
• Winding rotor, circumferential rotor
• Balance glucydur
• Frequency 28’800 oscillations per hour (4Hz)
• Balance spring flat.

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