NOS 1989 IWC Ingenieur SL Automatic White Dial 3506 with International Guarantee and documentation Watch Inside beats the celebrated Cal

Inside beats the celebrated Cal

this embody Audemars Piguet’s dedication to traditional hand-finishing at a time when skeletonization was becoming an art form in itself

design and horological passion

Only 1860 pieces were made for this reference

NOS 1989 IWC Ingenieur SL Automatic White Dial 3506 with International Guarantee and documentation Watch Inside beats the celebrated CalA crazy perfect NOS (New Old Stock) condition 1989 IWC Ingenieur SL Automatic reference 3506, featuring a striking graph paper white dial with perfect creamy patina, golden indexes and matching hands. This example comes with its original IWC International Guarantee and other documentation. The IWC Ingenieur SL Automatic Ref. 3506 is a distinctive vintage luxury sports watch from the mid 1980s era of IWC Schaffhausen, born out of the brands celebrated