This Patek Philippe Beta 21 Ref. 3597/1 is an ultra-rare timepiece that embodies innovation and exclusivity. Crafted in 18k white gold, its giant 43mm case showcases a bold, avant-garde design, reflecting the revolutionary spirit of the 1970s. The standout feature is its detachable integrated bracelet, an almost unique element that enhances both versatility and collectibility. At its heart is the Beta 21 quartz movement, a groundbreaking collaboration between Swiss watchmakers that marked Patek Philippe’s foray into high-precision quartz technology. The elegant sunburst dial, complemented by applied hour markers, exudes sophistication while maintaining a distinctive vintage charm. Accompanied by an Extract from the Archives and its original box, this extraordinary reference is a true collector’s piece, representing a pivotal era in Patek Philippe’s horological history. A rare find, blending technical innovation with timeless luxury.