Photos: Photo by EMore98 (CC BY-SA 4.0), via Wikimedia Commons · Photo by Ferengi (CC BY-SA 3.0), via Wikimedia Commons · Photo by Ferengi (CC BY-SA 3.0), via Wikimedia Commons · Photo by EMore98 (CC BY-SA 4.0), via Wikimedia Commons · Photo by サフィル (CC BY-SA 4.0), via Wikimedia Commons
Founded by the American watchmaker Florentine Ariosto Jones, who chose Schaffhausen for its Rhine hydropower and German-speaking workforce. The only major Swiss manufacture east of the Jura.
Founded 1868 in Schaffhausen by American watchmaker Florentine Ariosto Jones. Known for pilot watches (Mark XI, 1948, issued to the RAF) and the Portuguese line (1939, classical-style large case). Modern catalog spans Pilot, Portugieser, Portofino (dress), Ingenieur (Genta-designed sport), and Aquatimer (dive).
luxuryneo-vintageIWC Cal. 37524 -- ETA 2892-A2 base, IWC-decorated, 28,800bph, 42h PR, 21j; IWC finishing and rotor engraving; used in Mark XV38mm1999–2006editorial
luxurymodernIWC Cal. 32111 -- Sellita SW300-1 base, in-house finished, 28,800bph, 42h PR, 25j; IWC decorated and certified; used in Mark XX and Ingenieur 4040mm2022–presenteditorial
luxurymodernIWC Cal. 79320 -- Valjoux 7750 base, IWC-decorated, 28,800bph, 44h PR, 25j; used in Portofino Chrono and Pilot Chrono 377742mm2014–presenteditorial
luxurymodernIWC Cal. 79320 -- Valjoux 7750 base, IWC-decorated, 28,800bph, 44h PR, 25j; used in Portofino Chrono and Pilot Chrono 377743mm2016–2021editorial
luxurymodernIWC Cal. 32111 -- Sellita SW300-1 base, IWC-finished, 28,800bph, 42h PR, 25j; used in Ingenieur 40 and Mark XX; IWC decorated and certified40mm2023–presenteditorial
luxurymodernIWC Cal. 52610 -- in-house automatic with perpetual calendar, 21,600bph, 60h PR, 37j; perpetual calendar with four-digit year display; jumping date; used in Portugieser IW503344.2mm2015–presenteditorial
luxurymodernIWC Cal. 82100 -- in-house automatic, 28,800bph, 60h PR, 30j; Pellaton winding system, soft-iron anti-magnetic cage; same caliber family as Big Pilot 4348mm2019–presenteditorial