Master Ultra Thin- undeniably sophisticated Presented in a 39mm stainless steel case Driven by Jaeger-Le Coultre 938 calibre automatic winding movement Equipped with 43-hour power reserve Water resistance to 5 bar (50 metres) THE MASTER ULTRA THIN COLLECTION Inspired by modern style and streamlined design, the Master Ultra Thin Collection features timeless aesthetics, clean lines, and exceptional watchmaking. Inheriting the design of its case from the first ultra-thin pocket watch of 1907, each piece boasts understated elegance and is powered by sophisticated movement. ELEGANT ARRANGEMENTS The sleek 39mm stainless steel case is presented on a timeless black alligator leather strap and secured by a double folding buckle. The luxurious silvered sunray-brushed dial in accentuated by elongated rhodium-plated hour markers and hour and minute hands, alongside power reserve, seconds and date complications. The powerful Jaeger-Le Coultre 938 calibre automatic winding movement lies at the heart