IWC · Portugieser
Portugieser Chronograph
Ref. IW371605
currentIn-house 69355DocumentedLast 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
Register layout differs from the 7750-based generation it replaced, so the dial indicates which caliber should be inside.