LONGINES INCLINEX REF. 4100 DRIVER WATCH Hephaestus, Ancient Greek God of Blacksmith and Fire. Mythology. Flat. Brand Model Reference Year Case number Case Bezel Dial Movement Functions Bracelet Accessories Condition Description Longines Curvex Driver rectangular wristwatch 4100 1939 2132 Stainless steel Acier Inox Staybrite, Curvex Driver rectangular case with double step construction and internal movement holder, signed and numbered caseback Integrated, polished steel Warm tone (salmon copper), applied Arabic numerals and geometric indexes, small seconds at 6 oclock, signed Longines Manual winding, Longines calibre 8. 68Z, matching numbers with case Hours, minutes, small seconds Metal mesh bracelet Longines archive extract (delivered to Argentina) and original box Excellent; very well preserved example, dial in excellent condition, case with minimal signs of wear A refined vintage Longines reference 4100, dating to 1939, featuring an elegant Curvex Driver rectangular Staybrite steel case with a distinctive double step construction. This watch belongs to the driver category, conceived for improved readability while driving, and stands out for its uncommon technical architecture. Although powered by the straight Longines calibre 8. 68Z manual movement, the case incorporates an internal support structure specifically designed to accommodate the movement within its curved profile. The double step case design, combined with the characteristic Curvex shape, gives the watch a strong architectural presence typical of the Art Deco period. The warm toned dial, with applied Arabic numerals, geometric indexes and a small seconds subdial at 6 oclock, completes the composition with balance and elegance. A correct and coherent example, with matching case and movement numbers, accompanied by a Longines archive extract and its original box. According to Longines archives, the watch was originally delivered to Argentina, further enhancing its historical appeal and collectability.