Swiss lever with four horological complications Circa 1850

Large silver pocket watch with four horological complications
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A large silver Swiss open faced, key-winding, round-shaped, large pocket watch, with four horological complications, circa 1850. With two barrels and straight-line equilibrated lever escapement.
Complications: Dead independent seconds, exterior graduation with central hand, activated by the rectangular push-piece located on the border of the case at 11 o’clock, date of the month, subsidiary dial at 6 o’clock, day of the week, subsidiary dial at 6 o’clock, indications given in French, hours and minutes of a second meridian, known as petit tour d’heure, subsidiary dial at 3 o’clock; key-setting,  compass, subsidiary dial at 12 o’clock; not considered as a horological complicatio. The case back engraved in taille-douce (fine cut) with a romantic scene showing a couple of lovers in a garden.
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Diameter: 57 mm