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IWC Schaffhausen Watch Straps
Pilot-watch straps for IWC Schaffhausen: genuine, alligator-grain, woven and flat leather straps, rugged canvas and textile straps and water-ready rubber and FKM straps for the Portugieser, Portofino, Big Pilot, Pilot’s Watch Mark XVIII, Spitfire, TOP GUN and Aquatimer.
Fitment by model
Portugieser and Portofino – 20mm, 21mm or 22mm depending on case size
Pilot’s Watch Mark XVIII and Spitfire – usually 20mm or 21mm
Big Pilot and TOP GUN – usually 22mm
Aquatimer (e.g. IW356802, IW376705) – 22mm quick-release rubber
Please measure between the lugs or check your current strap before ordering.
Which strap for which use?
Leather is the classic IWC look, with alligator-grain for the Portugieser and flat or woven leather for the Pilot’s Watches. Canvas gives the aviation models an off-duty feel, and rubber is made for the Aquatimer and TOP GUN.
Frequently asked questions
Does the Aquatimer need a special strap? Yes – it uses IWC’s quick-release system, so choose a strap made for it.
Is canvas comfortable for daily wear? Yes, it’s light and breathable; keep it for dry days.
Can I fit it myself? Yes – spring-bar straps swap in minutes.
Read our IWC strap replacement guide.