146 - Longines - U.S. Navy

Longines - U.S. Navy A rare, fine U.S. Navy torpedo boat chronometer from the 1st series with a 50-hour power reserve indicator—including copies of the *Bulletin 2me Classe de l'Observatoire Astronomique de Neuchâtel*, 1908, and of the Bulletin 1ère Classe de l'Observatoire Astronomique de Neuchâtel, 1916, regulated by Arnold Vuille-Roulet Movm. No. 1927947, Cal. 24.99, Case No. 1927947, Dimensions 68 mm, circa 1906, Weight 250 g, Origin: Switzerland Case: Silver, with military engraving “US Navy 1927947,” tiered, gold crown and hinge. Dial: Silvered. Movement: Bridge movement, lever escapement, Guillaume gold-screw-compensated balance, blued balance spring according to Phillips. The Longines Caliber 24.99 is a historic, high-precision mechanical movement from the Swiss luxury watch manufacturer Longines, which was first produced in 1908 and was specifically designed for use in marine chronometers, deck watches, and scientific observation watches. The movement competed in numerous international chronometer competitions at observatories, where it achieved outstanding results. Among watch connoisseurs and collectors, it is regarded as one of the finest, most visually appealing, and highest-quality Swiss bridge movements ever made. It typically features a Guillaume balance, a Breguet balance spring, and often a 50-hour power reserve indicator. Case: very good, micro-scratches, slightly scuffed. Dial: very good, micro-scratches. Movement: good, in need of restoration.