Jaeger-LeCoultre movement features the Japanese 9015 movement, guaranteed for three years with zero repairs. The Jaeger-LeCoultre North Star series calendar watch showcases a modern dual crown design paired with elegant yet sporty fluid lines.Deeply refined, it remains extraordinary.Case: The watch size is 42x13.1mm, featuring a classic and sleek case that is hand-polished, with a brushed finish on the sides and polished edges, ensuring craftsmanship aligns perfectly with genuine products. The case back is likewise engraved with distinctive Jaeger-LeCoultre-style diving suit motifs.Strap and buckle: The natural rubber strap is thin, long, and flexible enough to wrap comfortably around the wrist, complemented by the original Jaeger-LeCoultre buckle.