IWC Portugieser Chronograph vs IWC Portugieser Automatic (7-day)

Side-by-side at a glance. Click a watch above to open the full reference page.

	IWC IW371446	IWC IW500712
Model	Portugieser Chronograph	Portugieser Automatic (7-day)
Caliber	IWC Cal. 79350 -- Valjoux 7750 base, IWC-modified, 28,800bph, 44h PR, 25j; column-wheel added, IWC-finished rotor; used in Portugieser Chrono 3714	IWC Cal. 52010 -- in-house automatic, 21,600bph, 168h (7-day) PR, 42j; twin mainspring barrels, pellaton winding system; used in Portugieser 7-Day
Case size	41mm	42.3mm
Lug-to-lug	49mm	50mm
Years produced	1998–2020	2020–present
Brand tier	luxury	luxury
Era	neo-vintage	modern
Movement tier	Top-supplier movement	Unclassified movement
Market median (excellent / full-set)	n/a	n/a
Typical range	n/a	n/a
Confidence	low	low
Categories	chronograph, dress	dress
Editorial	yes	yes
Typical price (2026)	n/a	$9,000 – $13,000
Service	Every 5 years · $400 – $700	n/a
Collector note	n/a	most sought: The reference that revived collector interest in the Portugieser family; seven-day power reserve and in-house movement at a dress-watch footprint.