The Vacheron Constantin Reference 4600, often referred to as the "Jubilee Jumbo," is a highly sought-after vintage timepiece produced in 1949 and 1950. It was originally released as a limited series of approximately 1,000 pieces to commemorate the "Anno Sancto" (Holy Year) of 1950, with many examples initially destined for the Italian market. 

• Case Material: 18k Rose Gold (also produced in yellow gold).

• Case Diameter: 36mm, which was considered "Jumbo" or oversized for the 1950s era.

• Movement: Manual winding Caliber 12'' 1/2-453 (P453/38), known for its precision and high-level hand-finishing.

• Dial: Typically features a silver or cream enamel/champagne dial with applied Arabic numerals and baton markers.

• Crystal: Original models used Plexiglass.