PATEK PHILIPPE NAUTILUS REF. 3700 - Lot 40

PATEK PHILIPPE NAUTILUS REF. 3700 Stainless steel wristwatch, black/blue “sigma” dial with horizontal crenellated striations, 18K white gold (750 parts per thousand) applied hour markers with tritium luminescent material, doubled at 12 o’clock, silver “bathtub” hands with tritium, date window at 3 o’clock. Monobloc case; case back engraved “Patek Philippe Genève Swiss,” reference 3700, and numbered 536127; manufactured by Calame Cie SA (hammerhead hallmark 357). Mechanical self-winding movement signed Patek Philippe, Geneva Seal, reference 28-255C, numbered 1304765. Steel bracelet with polished center links; clasp blade signed “Patek Philippe Genève,” marked “Patented ,” “Steelinox,” and “Swiss Made”; second safety clasp decorated with the Calatrava cross. Movement was functioning at the time of appraisal, but no guarantee of long-term reliability; condition of parts not guaranteed. Significant scratches on the case and bracelet; bracelet slightly stretched; significant dirt accumulation; scratches on the hour markers, hands, and dial. The watch comes with its original Patek Philippe certificate bearing the correct movement number, dated August 5, 1979, code PRON. Two service invoices accompany the watch: one from Patek Philippe in 1982 for a standard service, and one from Roman Mayer in Montreux for a service in 2021 noting a replacement of the case and crown, a refresh of the hands, and the replacement of the barrel bridge. Swiss-made, circa 1980 Dimensions: 42 x 44 mm, for a wrist circumference of approximately 17.5 cm