White shell gold shell JL Jaeger-LeCoultre Geophysical Observatory Series 8006252jAIS new replica series transparent watch is decorated with the word "Geophysic" and the Jaeger-LeCoultre logo sword-shaped hands at 6 o'clock and 12 o'clock respectively. The diameter of the watch is 38.5 mm (simultaneously authentic) imported 9015 self-winding movement, accurate travel time and full reliability. The case is made of 316L stainless steel, the front and rear of the watch are made of sapphire crystal glass, Italian cowhide with original buckle, and waterproof to 50 meters. (Beautiful yet low-key, extremely streamlined and without losing elegance),