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Apologies for adding to an old thread, but stumbled across this whilst researching the same issue. I have an incoming rare minty Daytona Fume and the correct Daytona caseback has "110213 B" on it - a different Verona reference, but Verona nonetheless on a Daytona caseback. Interestingly it is also in the 3322xx range...

Jeff - was the Fume Daytona factory reference definitely "F" per master reference table, rather than "G"?

Colin
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: :
: Jeff This is a Daytona model watch with the proper case back It is
: marked on case back just above the serial number R110.213G it is
: a smoke [brown] colored dial with 2 12 hour registers Marked on
: the dial Daytona and Heuer below it
: Factory error is my guess everything else is Heuer on the watch
: except for the model number stamped on the case back