The seller represents this timepiece as being in very good condition. It includes the boxes (inner and outer), additional items, and papers.

Contents: Double-boxed, booklets, 2010 warranty certificate, portfolio, sealed serialized hangtag, pusher, original gray alligator strap and an unworn aftermarket black alligator strap. Also includes original sales receipt.

Platinum, Understated, Unmistakably Patek

The 5146P-001 is Patek Philippe's Annual Calendar built in 950 platinum, a metal the brand reserves for a small fraction of its production each year. The grey dial displays day, month, and power reserve via hands, with date and moon phase shown through apertures, a busier layout than the rose gold 5396 but one that rewards close inspection. The diamond set at the 6 o'clock lugs is Patek's long-standing hallmark for identifying platinum cases at a glance, a detail collectors specifically look for when authenticating platinum references. Powered by the automatic caliber 324 S IRM QA LU, the movement architecture reflects the added complexity of the power reserve display over the simpler 5396 caliber. Platinum Patek references trade at a structural premium to their gold counterparts due to production scarcity, not merely metal cost. This 2010 example comes complete with original box and papers, documentation that materially affects exit liquidity on a platinum complicated piece. Platinum Annual Calendars in complete sets are thinner in supply on the secondary market than their gold equivalents.

This is a platinum complication for a buyer who understands that scarcity, not size, is what actually drives long-term value in this category.