Audemars Piguet · Royal Oak
Royal Oak Chronograph
Ref. 26240ST
current41mm, integrated caliber 4401DocumentedLast reviewed Not yet reviewed
Component compatibility
What this reference is documented to have carried, and in what capacity. A service part is the manufacturer's own work; only a counterfeit classification is a finding against the watch.
Documented calibers
Whole production
Flyback is the field test: the reset should restart the running chronograph from zero without a stop first.