IWC Da Vinci Perpetual Calendar IW925207

Da Vinci Perpetual Calendar : IW925207

The IWC Da Vinci Perpetual Calendar with reference number IW925207, released in 1985, is a notable piece within the Da Vinci collection. This particular model features a polished white gold case that measures 39 mm in diameter and includes a solid caseback, offering a substantial yet refined presence on the wrist. The white dial complements the elegance of the precious metal, enhancing its classic aesthetic appeal. The watch is equipped with IWC's perpetual calendar mechanism, a groundbreaking development introduced in the mid-1980s that significantly influenced watchmaking with its innovative approach to complex timekeeping functions. As part of a wider movement family, this mechanism was not only incorporated into various IWC models but also adapted by other prestigious watchmakers. The Da Vinci Perpetual Calendar's design includes hinged lugs, which add to its distinct appearance and improve wearing comfort. Though initially fitted with plexiglass, it could be optionally upgraded to sapphire crystal for enhanced durability.