NOS 1989 IWC Ingenieur SL Automatic White Dial 3506 with International Guarantee and documentation Metal bracelet Featuring a two-tone gold and

Featuring a two-tone gold and steel case

This "T Serial" model

this stainless-steel Daytona is powered by the modified Zenith El Primero–based Caliber 4030

in 18k yellow gold

almost modern appeal

NOS 1989 IWC Ingenieur SL Automatic White Dial 3506 with International Guarantee and documentation Metal bracelet Featuring a two-tone gold andA 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