Weekly winding device, monthly calendar, with comma escapement
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Quarter hour repeater clock watch, verge escapement.
Verge escapement
Automatic winding with beating mass, perpetual monthly and weekly retrograde calendar, cylinder escapement.
Lever escapement and thermal compensation
Scappamento ad ancora e compensazione termica
Seven-day power reserve, cylinder escapement.
Montre simple a deux aguilles a secondes sien 140 boite en or n.2429 envoyé a Melin de Londres en cadeau pour le prix de 1030 FF le 11 mai 1821. (la n.140 Montre simple à secondes, boîte d’or Vendue le 9 frimaire an 5 (29 novembre 1796) à Monsieur Lavillete 576 FF.)
Double comma escapement (double virgule)
Chronometer made by Joseph Thaddeus Winnerl on a movement by Robert Robin
Quarter hour repeater by touch with special cylinder escapement.
Chronometer with Earnshaw spring detent escapement, spherical balance spring.
Ruby lever escapement.
Elève de Winnerl, chronometer with lever escapement.
Alarm with verge escapement
Montre de carrosse a repetition des quart et function de reveil sold to the count de Mercy Argentau on 09 June 1837 at the price of 620 FF, ancienne 1155 sold to Pierre de Salabert for the Marquise of Santa Cruz on 18 Floreal year 13 (08 May 1805) , at the price of 1,440 francs.