Rolex Oyster Speedking Precision, case reference: 6420, Manufactured in the first quarter of 1955, manual winding calibre 1210 with 17 jewels. $2,530 inc GST - European Watch Gallery
FS: Rolex Speedking 6420, cal. 1210 17J from IV 57. Nice vintage Rolex $995. - Rolex Forums - Rolex Watch Forum
Rolex - Oyster Speedking - 6420 NO RESERVE PRICE - Women - - Catawiki