18. Patek Philippe. A fine 18K gold manual wind bracelet watch Model: Ellipse Reference: 3748/1 Date: Circa 1980 Movement: 18-jewel Cal.215 manual wind, adjusted to isochronism, heat, cold and 5 positions, No.1327628 Dial: Sunburst blue 'sigma', applied 18K gold baton hour markers, 18K gold pointed baton hands Case: Brushed and polished oval form, snap on back, No.541970 Strap/Bracelet: Fitted textured 18K gold link Buckle/Clasp: Signed 18K gold buckle Signed: Case, dial & movement Size: 27mm x 32mm Weight: 85,34g Accompaniments: Patek Philippe box The Patek Philippe Ellipse ref. 3748/1 is an iconic example of the geometric elegance of the 1970s. Its oval case, inspired by the 'Golden Section,' gives it perfect balance and an instantly recognizable silhouette. The fine sunburst blue dial, with its refined simplicity, highlights the purity of the lines and the harmony of the proportions. The present watch has a 'sigma' dial, which means the hour markers and hands are made of solid gold. This model houses a high-precision manual wind movement, true to the expertise of the Geneva manufacture. The combination of bold design and flawless execution makes it a highly sought-after piece among collectors. Rare on the market, the ref. 3748/1 remains a symbol of prestige and horological avant-gardism.