Bonhams : Louis Grisel. A 14K gold keyless wind full hunter 。Coin in picture is for size reference. The object in the image is a vintage Louis Grisel pocket watch from La Chaux-de-Fonds, Switzerland. The inscription indicates it features an \"Echappement a ancre\" (lever escapement) movement with \"15 Pierres\" (15 jewels). Watch Details * Brand: Louis Grisel * Origin: La Chaux-de-Fonds, Switzerland, a famous region for watchmaking. * Movement: It has a mechanical, manual-winding movement with a lever escapement and 15 jewels. * History: The Louis Grisel watchmaking firm was founded in 1839 and operated under that name until it was renamed Montres Olor S.A. in 1942. Watches like this one are often dated to the late 19th or early 20th century. * Serial Number: The number visible, №133854, is the watch\'s unique serial number. This could be used with watch serial number lists to help pinpoint the exact year of manufacture. * Collectibility: Louis Grisel pocket watches are considered collectible due to their quality craftsmanship and history.