The IWC Da Vinci Perpetual Calendar IW3750, in its yellow gold incarnation, stands as a testament to IWC's horological artistry. This piece harmonises complex mechanics with timeless classy design, a true icon for discerning collectors. This particular example, having been cherished by its original owner for over two decades, arrives in a state that suggests it has been treated with the utmost respect.

The Da Vinci line, as we all know, has always been IWC's platform for more complex movements. The IW3750, with its perpetual calendar, demonstrates that focus. This particular watch, with its complete set, is notable for its retained originality.

The yellow gold case shows light wear, as expected for a watch of this age. The plexiglass crystal is in an immaculate condition, and the tritium dial displays an even, warm yellow aging. The original boxes, papers, documents, and IWC watch winder are included. 

Technically, the watch features a 36mm yellow gold case and the IWC Caliber 79261 movement. The perpetual calendar functions as it should, and the watch runs within -4/+4 seconds per day, with an amplitude around 230. The brown alligator strap is a nice additional, and the original IWC yellow gold pin buckle is present.

The design is straightforward: a white dial with subdials, a yellow gold case, and a comfortable 36mm size. On the wrist, it feels balanced and appropriate for various settings. I personally think the size makes it a practical daily wear for those who prefer classic dimensions.

In the collector's market, the IW3750 holds a position due to its complication and original condition. Complete sets are less common. This watch presents a clear value proposition for someone looking for a perpetual calendar from this era. It simply feels like a well-kept watch.

This 2000 IW3750 comes with original boxes, papers, documents, and the IWC watch winder. It's a watch that emphasizes its mechanics and original condition, making it a solid choice for a collector.