Rolex Pre-Daytona 6238, ‘60s Stainless steel round case, n.1106316, stainless steel bezel, round pushers. Black dial, white counters, applied indexes. Hand-winding movement, cal. 722. Stainless steel Oyster bracelet 78350. Size: 37 mm. Notes: This watch, originally produced in the mid 60s as reference 6238, has been most likely updated by the first owner with a most recent new generation 6239 bezel and dial (rare version with jumbo logo), as for the taste of that time.