Vintage 1963 Patek Philippe Ref. 3423 18KT Gold Double-Signed Gübelin Dial
3423 18KT Gold Double-Signed Gübelin Dial. Model: Reference 3423. Reference: 3423. Case: 18KT Yellow Gold. Year: 1963. Caseback: Engraved “F.J.H” Monogram from Previous Owner. We also have two certified gemologists on site, an expert watchmaker, and professional jeweler for any and all jewelry work.