Jaeger-LeCoultre's movement features the Japanese 9015 caliber, backed by a three-year quality guarantee with zero repairs. The Jaeger-LeCoultre North Star series calendar watch boasts a modern dual-crown design, complemented by elegant yet sporty flowing lines. It exudes a deep sophistication while remaining extraordinary.Case: The watch measures 42x13.1mm. The classic and refined case is handcrafted with meticulous polishing, featuring a brushed finish on the sides and polished edges, ensuring that the craftsmanship aligns perfectly with genuine products. The case back is also engraved with distinctive Jaeger-LeCoultre-style dive suit patterns.Strap and Buckle: The watch is fitted with a natural rubber strap that is thin, long, and flexible, allowing it to wrap comfortably around the wrist. It is paired with an original Jaeger-LeCoultre buckle.