In production from 1994 to 2005, the IWC Pilot's Watch Chronograph ref. 3706 is an iconic watch.During its production, the ref. 3706 has used three different variations of a Valjoux 7750-based caliber:Caliber 7902 (1994-1998)Caliber 7912 (1998)Caliber 7922 (1999-2005)For the standard versions, the full list of references is as follows;IW 3706-001: German day wheel, matte black crocodile strapIW 3706-002: Italian day wheel, matte black crocodile strapIW 3706-003: English day wheel, matte black crocodile strapIW 3706-004: French day wheel, matte black crocodile strapIW 3706-009: Spanish day wheel, matte black crocodile strapIW 3706-005: German day wheel, stainless steel braceletIW 3706-006: Italian day wheel, stainless steel braceletIW 3706-007: English day wheel, stainless steel braceletIW 3706-008: French day wheel, stainless steel braceletIW 3706-010: Spanish day wheel, stainless steel braceletThe reference for the original alligator strap is A05065, A03457 (XS) or A05142 (XL).The reference for the original bracelet is A03316.
