This vintage 1971 Rolex Datejust Thunderbird was owned by a retired El Salvadorian Army Major. All of the watches sold by La Joya (The official Rolex dealer in El Salvador) have their own separate exterior serial number on the case-rear as seen in my photos. This watch truly looks pristine after a recent full servicing and it is running perfectly. The 36mm case with solid 14k Thunderbird bezel glistens. The gold original dial and handset look pristine. All the original lume plots are present. This is a prime example of a vintage Rolex that will surely escalate in value.