French 18 carat gold very fine precision anker chronometer Circa 1900

Gold open faced gentlemen’s pocket watch
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A French 18 carat yellow gold keyless open faced pocket watch, made by L. Leroy & Cie in Paris, circa 1900. The movement operates mechanically with crown winding, a lever escapement, a bimetallic balance spring, and adjustments for advance and delay. It features a signed white enamel dial with Breguet style Arabic numerals, a minute track, a small second hand, and gold spade hands. The gold case is round with a hinge, engraved with initials on the back, and includes a signed gold bowl with the inscription HORLOGERS DE LA MARINE and numbered case interior. It comes with a chain and a fitted presentation box from L. Leroy & Cie, monogrammed P.M.
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Diameter: 47.5 mm
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Weight: 69.2 g. (watch)
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Weight: 26.9 g.  (chain)
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Signed: L. Leroy et Cie. Paris