Rolex, “Prince Imperial”, chronomètre classe A, ref 1645, vers 1930. www.boule-auctions.com
Antique Rare Rolex Prince 9CT Gold Keyless Lever Pocket Watch, C1930s For Sale at 1stDibs | rolex prince imperial, rolex lever pocket watch, rolex pocket watch
Collectible Rolex Prince Imperial Open Face Pocket Watch