Tequila Don Julio 1942. Celebrated in exclusive cocktail bars, restaurants and nightclubs, the iconic Don Julio 1942 Tequila is the choice of connoisseurs around the globe. Produced in small batches and aged for a minimum of two and a half years, Don Julio 1942 Tequila is handcrafted in tribute to the year that Don Julio González began his tequila making journey.