The “Empire” Calatrava
By: quattro : December 10th, 2025-07:12
The Patek Philippe Ref. 2511 is one of the largest and rarest of the 1950s Calatrava models. The 36.5 mm case has a signature “ empire ” style with fluted lugs and case flanks . The dial features very particular dots & pyramid indexes at 3 and 9 o'clock (...