Complete set, A.Lange & sohne, 1815 watch series, model: 238.032, manual winding movement, 18K rose gold, size: 40 • Dial: Silver-white solid silver dial, blue steel hands, Arabic numeral hour markers; The left day of the week and date display panel, the right month display panel, and the moon phase panel at the 6 o 'clock position all adopt a symmetrical layout, featuring the classic Lange large calendar design • Movement: Lange's self-made L051.3 manual winding movement, 345 components, 72-hour power reserve, frequency 21,600 vibrations per hour (3 Hz); Equipped with Lange's signature hand-polished techniques such as a German silver large plate, hand-engraved balance wheel plate, gold sleeve, and blue steel screws, the annual calendar module is only 1.4mm thick, balancing thinness and complex functions