Longines - Chronograph Flyback 13ZN 18K Gold Ref. 4381 - Unisex - 1900-1949

An absolute masterpiece in the history of haute horology. We present an extraordinary vintage Longines wrist chronograph equipped with the renowned Manufactory Caliber 13ZN with Flyback function (return-to-zero), unanimously regarded by collectors and historians as one of the most fascinating, complex, and prestigious mechanical chronograph movements ever made. ​The watch is accompanied by the official Longines Certificate of Authenticity / Archive Extract (issued in Saint-Imier in January 2023), attesting to its production and invoicing on February 22, 1941 with Ostersetzer, a historic and exclusive Longines sole distributor/agent for Italy at the time. ​Brand: Longines ​Model: Chronograph Flyback ​Case Reference: 4381 ​Serial/Case Number: 6018373 (stamped and fully matching between case and movement) ​Year of Production: 1941 (Invoiced to the Italian agent Ostersetzer) ​Case Diameter: 35 mm (excluding crown) - Classic proportions, elegant and highly present on the wrist ​Case Material: 18K Yellow Gold (750/1000) with a polished finish, with clearly defined gold hallmarks inside the case back ​Movement: Manual-wind mechanical by Longines Caliber 13ZN (29.80 mm, 18 jewels, 18,000 A/h, chronograph via column wheel and Flyback complication) ​Dial: Professionally restored to high-end standards (“refreshed brass dial” as noted on the certificate), with spectacular clarity of the multicolor scales: blue tachymeter scale, red telemeter scale, railway-track minute markers, and sub-dials with grainé/grooved concentric guilloché finishing ​Crystal: Transparent and clean Plexiglas (Esalite) ​Strap: Fine brown leather with Longines pin buckle ​Accessories: Official Longines Certificate of Authenticity (2023) with archival envelope and letter from the manufacturer ​Movement condition: Fully functional and precise. Start, stop, and Flyback (instantaneous reset) operate smoothly and accurately. ​Aesthetics: The 18k gold case presents itself in extraordinarily conservative condition. As duly certified by the Saint-Imier headquarters, the brass base plate of the original dial was professionally restored and refurbished over time to restore the watch’s legibility and impeccable aesthetic elegance. Crown and hands were replaced during period maintenance interventions. ​Shipping: Top-tier, insured, tracked shipping for the full hammer value with a specialized express courier and armored packaging.

Estimate:£6,914.14

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