Quick Release Spring Bar FKM Rubber Strap For IWC Portugieser/All Pilot Models 20mm 21mm 22mm

Upgrade your IWC watch with a custom FKM rubber strap for IWC. Made from soft and durable fluororubber, this replacement watch strap is available in 20mm, 21mm, and 22mm configurations for selected IWC Pilot, Mark, Portugieser, Portofino, Ingenieur, Big Pilot, Top Gun, and other compatible models.

The strap features a quick-release spring bar system for easy installation and removal. Multiple rubber colors are available, and the length and other specifications can be customized according to your watch and wrist.

Features of FKM Rubber Strap For IWC Le Petit Prince Pilot :

• High Quality Soft Fluororubber FKM Rubber
• Lug Size/Width: 20mm | 21mm | 22mm
• Adjustable Length: 125 + 65mm
• Lug size: 20mm compatible for IWC SCHAFFHAUSEN,Mark Xviii,Portofino,Portuguese Chronograph,Pilot’s 41mm,IW327003, IW327009, and more models
• Lug size: 21mm compatible for IWC Pilot Chronograph 43mm, Le Petit Prince IW377714, and more models
• Lug size: 22mm compatible for IWC Big Pilot,Portuguese Seven Days,Portuguese Chronograph,Top Gun and more models
• Rubber color optional:Black | Yellow | Brown | Blue | Dark Blue | Green | Dark Green
• Buckle size: 18mm
• Strap fits the original IWC-style pin buckle/deployment buckle
• Replacement pin buckle for IWC and clasp buckle for IWC are available for sale
• End Type:Straight End
• Soft to the touch and comfortable on the wrist
• Note:  Royalwatchstrap is not affiliated with IWC company

Details of Rubber Strap For IWC Pilot Chronograph

• Variety Colors: Available in many vibrant colors, this strap is designed to meet various needs and preferences for IWC watches
• High Density:Soft and comfortable

FKM rubber has excellent temperature performance and durability

Quick-Release Rubber Strap For IWC

• This rubber strap for IWC uses a quick-release spring bar system, making installation and removal more convenient.You can change the strap without using the traditional spring-bar removal process. This is particularly useful if you regularly switch between leather, rubber, or other watch straps.

For a broader overview of IWC strap compatibility, lug widths, and replacement options, see our IWC Replacement Straps Guide

IWC Watch Lug Size & Compatible Models

Lug Size	Collections	Models	Case Diameter (mm)
20mm	Mark XVIII, Mark XX, Mark XVII, Portofino, Portofino Chronograph, Portuguese Chronograph, Pilot’s 41mm , Ingenieur Series, Spitfire	IW327001, IW327003, IW327004, IW327006, IW327009, IW327010 (Le Petit Prince), IW327011, IW327015, IW327016 (Le Petit Prince), IW327017, IW328201, IW328202, IW328204, IW328207, IW328208, IW328210 (Mercedes-AMG Special Edition), IW326501, IW326504, IW356501, IW356502, IW356504, IW356515, IW356517, IW356523, IW356527, IW391027, IW391036, IW371604, IW371610, IW371611, IW371617, IW371620, IW388101, IW388102, IW388103, IW388104, IW388110, IW389401 (Top Gun), IW389404 (Top Gun Ceramic), IW328907 (Automatic 40mm), IW324404, IW371475	37/39/40/40.9/41
21mm	Pilot Chronograph 43mm , Le Petit Prince Perpetual Calendar, Pilot Top Gun , Portuguese Series, Da Vinci	IW377701, IW377704, IW377709, IW377714 (Le Petit Prince), IW377717 (Le Petit Prince), IW377719, IW377721 (Le Petit Prince), IW392202 (18K Red Gold), IW378002, IW378003, IW371445, IW371446, IW371447, IW371482, IW392101, IW392103, IW459306	40.9/43
22mm	Big Pilot, Portuguese Seven Days, Portuguese Perpetual Calendar, Portuguese , Big Pilot Heritage	IW500201, IW500908, IW500916 (Le Petit Prince), IW501001, IW501004, IW503001 (43mm Racing Green), IW500704, IW500705, IW500710, IW501707 (Automatic 42mm), IW503701 (44mm), IW503502 (44.2mm), IW390403 (Chronograph 48mm), IW390702 (Yacht Club 44.6mm), IW329306	42.3/43/44+/46

Performance Indicators of Silicone and Fluororubber (FKM)

How To Confirm Your IWC Strap Size

Choosing the correct size is important when buying an replacement strap for IWC .

Different IWC collections and references can use different lug widths, so the watch model alone is not always enough to determine the correct strap.

To confirm your size:

1. Check the exact reference number of your IWC watch.
2. Measure the distance between the inside edges of the lugs.
3. If you are unsure, send us a clear photo of your watch and original strap

FAQ

Q:How can i confirm the lug size?

A:To confirm the lug size of your watch, you can follow these steps:

Q:Do most straps fit most watches as long as they are the right width?

A：When purchasing a watch strap, the first step is to confirm the model of the watch and whether the adapter of the strap matches your watch. If it is a universal flat strap (like the one mentioned above), it is necessary to confirm the lug size.

Q: Do you offer custom watch strap for other IWC?

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: Is this FKM rubber strap waterproof?
A:Yes.The FKM rubber material itself has excellent resistance to moisture and everyday environmental conditions.

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