






Baby Blue CTS Rubber Strap for IWC Ingenieur [Prototype]
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Complement your bracelet with a rubber strap that matches the sportiness of your Ingenieur and fits seamlessly with your timepiece.
Our CTS Rubber Strap uses the CTS Deployant Clasp with a leaf spring mechanism that makes wearing the watch secure and convenient, and the Cut-to-Size feature ensures a perfect fit for all wrist sizes.
Installation note: We designed this strap specifically to be used with your original OEM spring bars for a secure, rattle-free fit. We advise against using quick-release spring bars, as the knobs could press into the skin and cause discomfort. Watch our How-To video to see how to install your rubber strap!
As this is a prototype batch, minor imperfections may exist. Your feedback will help us perfect the final version.
Please note that our straps are developed independently by Delugs. All intellectual property rights related to watches, visuals, trademarks, names, and logos belong to their respective watch brands.
Specifications
What Watches Does This Fit?
These straps fit IWC Ingenieur models in 40mm: IW328702, IW328907, IW328902, IW328903, IW328908, IW328904, IW328901
What's Included
Product Guide
Click here to read our guide to wearing and cutting the strap.
For those new to our CTS straps, we've included a comprehensive guide to wearing and cutting the strap to ensure a perfect fit. As the installation of the clasp requires the removal and installation of a non-quick-release spring bar, we have included a Single Prong Spring Bar Tool to make the installation process straightforward and hassle-free.



No Quick Release Spring Bars
Quick release spring bars (QRSBs) are not included with this strap. Please use your OEM hardware.
Waterproof
The material and construction is waterproof, and the strap can be soaked in water for extended periods.
Cut-To-Size
The strap comes in one length, and can be easily trimmed down to fit any wrist size, for a comfortable, secure fit.
Integrated
The strap provides an integrated fit with the watch - i.e. there is no gap between the strap and the case. This also means that the strap will only fit the specific model / reference number of watch as specified in the listing, and will not fit any other references.
Rubber Lining
The strap is crafted with a rubber lining, for increased sweat resistance while worn on the wrist.