Rolex. A very rare and special Rolex Pre-Daytona reference 6238 in stainless steel made for the Fuerza Aérea del Perú Model: Pre-Daytona Material: Stainless Steel Reference N°: 6238 Year: 1964 Case N°: 1102433 Caliber: 72B Movement N°: 3086 Bracelet: Stainless Steel Dimensions: 36 Signed: Dial, Case and movement