Patek Philippe Golden Ellipse

The Golden Ellipse launched in 1968 as Patek Philippe's first non-circular, non-rectangular case design. The brief was a watch built to the golden ratio (φ = 1:1.618), the mathematical proportion governing the Parthenon's facade, the chambered nautilus shell, and (often) human-perceived aesthetic harmony. Designer Gerald Genta (commissioned externally before he established his own studio) drew the ellipse so that the case width (34.5mm) and length (39.5mm) hit the golden ratio exactly.

The original Ref. 3548 (1968-1976) was a 27×32mm gold case with the in-house Cal. 240 ultra-thin automatic micro-rotor (still in current production today, refined). The dial was blue sunburst with baton-shaped applied gold indices, no numerals, no date. The result was a watch that looked like nothing else in production: not a Calatrava round-case dress watch, not a Cartier rectangular Tank, not a Lange asymmetric Lange 1.

The line ran in steady production through the 1970s, 1980s, and 1990s under multiple references (3548, 3738, 5018, 5738 introduced 2007), all preserving the elliptical case shape. The 2010 Ref. 5738 in rose gold with the blue sunburst dial became the iconic modern Golden Ellipse and the most-recognised current reference. Cal. 240 remains the movement, 48-hour reserve, micro-rotor in 22k gold, hand-finished with Calatrava cross applied to the bridge.

Modern variants include the Ref. 5738R (rose gold, blue dial), 5738G (white gold, ebony black dial), and the limited 5738/50G with hand-engraved guilloché blue dial that nearly sold out at AD level. Retail spans ~€32,000 (5738R) to ~€48,000 (5738/50G hand-engraved). Allocation is light by Patek standards; the Golden Ellipse is one of the few Patek references that can reasonably be acquired at retail without long waits.