IWC Pilot's Watch Chronograph vs IWC Pilot Mark XVIII

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

	IWC IW377709	IWC IW327011
Model	Pilot's Watch Chronograph	Pilot Mark XVIII
Caliber	IWC Cal. 79320 -- Valjoux 7750 base, IWC-decorated, 28,800bph, 44h PR, 25j; used in Portofino Chrono and Pilot Chrono 3777	IWC Cal. 30110 -- Sellita SW300 base, in-house finished, 28,800bph, 42h PR, 25j; IWC-decorated with anti-reflective finish
Case size	43mm	40mm
Lug-to-lug	50.5mm	46.5mm
Years produced	2016–2021	2016–2021
Brand tier	luxury	luxury
Era	modern	modern
Movement tier	Top-supplier movement	Top-supplier movement
Market median (excellent / full-set)	n/a	n/a
Typical range	n/a	n/a
Confidence	low	low
Categories	chronograph, pilot, sport	pilot, sport
Editorial	yes	yes
Typical price (2026)	n/a	$3,500 – $4,800
Service	Every 5 years · $400 – $700	n/a
Collector note	n/a	best value: Clean pilot typography and in-house Calibre 35111 at an accessible price; the direct successor to the Mark XVII offers genuine tool-watch utility without vintage hunting.