At the core of this strap is FKM rubber—also called fluorine rubber—a material with standout properties. It withstands high temperatures, resists acids and alkalis, and outperforms other rubbers in oil resistance.Moreover, these traits make our rubber watch strap for IWC incredibly long-lasting. It resists atmospheric aging, so it won’t crack or fade over time, and holds up against radiation. Its reliable mechanical properties mean it stays flexible without losing shape, even after years of use.
Lug Size Guide For IWC
IWC Pilot Watch Lug Widths
Reference Number
Model Name
Lug Width
IW3201/IW3261
Pilot Antoine De Saint
21mm
IW3240/IW3241/IW3242
Pilot 36mm
18mm
IW3247/IW3248
Pilot Mark XVIII
20mm
IW3251
Pilot Spitfire UTC
20mm
IW3253
Pilot Mark XV
19mm
IW3255
Pilot Mark XVI
20mm
IW3256
Pilot Watch Midsize
16mm
IW3262
Pilot Worldtimer
22mm
IW3265/IW3268/IW3269
Pilot Mark XVII
20mm
IW327X/IW328X
Pilot
20mm
IW370X
Pilot Chronograph
20mm
IW371X
Pilot Chronograph
21mm
IW374X
Pilot Mecaquartz
18mm
IW3757/IW3777
Pilot Chronograph
21mm
IW3778
Pilot Double Chrono
22mm
IW3779/IW3780
Pilot Chronograph
21mm
IW3791/IW3799
Pilot Chronograph
22mm
IW3878
Pilot Chronograph
21mm
IW3879
Pilot Chronograph
20mm
IW3880
Pilot Chronograph
22mm
IW3881/IW3883
Pilot Chronograph
20mm
IW3888/IW3890/IW3891
Pilot Chronograph
21mm
IW3894
Pilot Chronograph
20mm
IW3922
Pilot Perpetual Calendar
21mm
IW3950/IW3955/IW3956
Pilot Timezoner
22mm
IWC Big Pilot Watch Lug Widths
Reference Number
Model
Lug Widths
IW329X
Big Pilot 43mm
21mm
IW3396
Big Pilot Perpetual
21mm
IW35XX
Big Pilot Shock Absorber
22mm
IW5XXX
Big Pilot
22mm
IWC Portofino Lug Widths
Reference Number
Model
Lug Width
IW2010/IW3331
Portofino Ultra Thin
18mm
IW3446
Portofino Perpetual Cal.
20mm
IW3513/IW3514
Portofino Automatic
18mm
IW3533
Portofino Automatic
20mm
IW3550
Portofino Moonphase
18mm
IW3563
Portofino Automatic
20mm
IW3564/IW3574
Portofino Midsize
16mm
IW3565
Portofino Automatic
20mm
IW3590
Portofino Comp. Calendar
20mm
IW3592
Portofino Pointer Date
18mm
IW3724
Chronograph MecaQuartz
20mm
IW3730
Portofino Chronograph
16mm
IW3731
Portofino Chronograph
18mm
IW3783/IW3910/IW3914
Portofino Chronograph
20mm
IW458X/IW4590/IW4591
Portofino 37mm
18mm
IW4594
Portofino 40mm
20mm
IW4598
Portofino 34mm
16mm
IW5101/IW5111/IW5151
Portofino 45mm
22mm
IW5161/IW5162/IW5164
Portofino Big Date
22mm
IW6586
Portofino 37mm
18mm
IWC Portugieser Lug Widths
Reference Number
Model
Lug Width
IW3266/IW3440
Portugieser Yacht Club
22mm
IW3442
Portugieser Perpetual
22mm
IW3583/IW3584
Portugieser 40mm
20mm
IW3712/IW3714/IW3716
Portugieser Chronograph
20mm
IW3774/IW3776
Portugieser Grande Comp.
20mm
IW50XX
Portugieser
22mm
FAQ
Q: Do you offer watch strap with other material for other IWC models? A:We not only offer custom watch strap services for various IWC models but also provide customization for watches of other brands. If you have any needs, please feel free to contact us to confirm the details.Welcome to check other watch parts for IWC.
Q:How to Confirm Lug Width?
A:Not sure which size you need? It’s easy:
Measure the distance between the two lugs (the “ears” of your watch) in millimeters.
❤Due to the wide range of products. some products haven’t uploaded yet. You can send us the pictures what you need through the following contact.we will reply you within 48 hours. ❤ Some watches parts accepted custom-made. You can provide us the pictures or dimension for Customized through the following contact.
Choose Lug Size
20mm, 21ｍｍ, 22mm
Choose Color
Black, Blue, Gray, Green, Orange, Red
Choose Buckle
With Sliver Pin Buckle, With Black Pin Buckle, With Sliver Folding Clasp, With Black Folding Clasp
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