Jaeger LeCoultre Master Ultra Thin Squelette 18K White Gold Blue Skeleton Dial LIMITED

Reference Q13435SQ is the Jaeger-LeCoultre Master Ultra Thin Squelette in white gold, a highly technical expression of the manufacture's long mastery of ultra-thin hand-wound watchmaking. Introduced in 2015, it belongs to the Master Ultra Thin line and showcases the architectural refinement of caliber 849A SQ, a skeletonized development of one of the maison's best known extra-thin movements. At just 3.6mm thick, the case underscores how aggressively Jaeger-LeCoultre pursued slenderness without sacrificing visual complexity, making this one of the more compelling modern openworked dress watches from the brand. The white gold case gives the watch a quiet precious-metal gravitas, while the openworked construction shifts the focus to the hand-finished bridges and the disciplined geometry of the movement itself. Collectors value this reference for the way it balances formal proportions with genuine mechanical interest, rather than relying on dial decoration alone. The caliber 849A SQ is manually wound and reflects the manufacture's longstanding identity as a producer of refined in-house movements with strong technical legitimacy. This was not a limited edition for a specific country or boutique, which only increases its appeal as a pure catalogue expression of Jaeger-LeCoultre's contemporary haute horlogerie. Within the broader Master Ultra Thin family, Q13435SQ stands out for pairing extreme thinness with skeletonization, two disciplines that are rarely executed together at this level. For buyers drawn to discreetly important complicated dress watches, it offers a particularly intelligent blend of horological substance, precious metal construction, and collector-oriented restraint. Like New with Jaeger LeCoultre box and papers dated 2018.