Audemars Piguet Royal Oak Offshore 15709TR QE II Cup Strap Guide
The Audemars Piguet Royal Oak Offshore 15709TR, known as the QE II Cup, is a 42mm Offshore Diver produced in 2014 in a limited run of 150 pieces. It pairs a tantalum case with an 18-carat rose gold bezel and a grey Mega Tapisserie dial, powered by AP's in-house Calibre 3120, one of the more unusual material combinations anywhere in the Diver family and rare enough that it rarely surfaces outside specialist auction houses.
Looking for an OEM replacement strap for your Audemars Piguet Royal Oak Offshore 15709TR? MIDAS straps are designed as a direct-fit aftermarket replacement, compatible with the factory end links, so there's no compromise swapping away from the factory strap. Available in all 14 MIDAS colours, with free shipping and a lifetime warranty.
Identifying your Royal Oak Offshore 15709TR
Confirm your watch matches the reference below before checking fitment.
QE II Cup — 15709TR.OO.A005CR.01

Fitment guide: does a MIDAS strap fit my Royal Oak Offshore 15709TR?
- Fits MIDAS 42mm Offshore Diver strap. Reuse your existing OEM end links, they transfer directly.
- Buckle: this reference requires the smaller MIDAS tang buckle, included free with your order, not the factory 24mm Diver buckle.
- Sizing: standard 42mm Offshore Diver lug width.
- Installation: see our step-by-step installation guide for exactly what's involved.
Every Audemars Piguet Royal Oak Offshore rubber strap from MIDAS is built specifically for this end link.
About MIDAS
MIDAS was founded in London in 2019 with a simple goal: to create a better alternative to the OEM Audemars Piguet Royal Oak Offshore strap. The factory strap is expensive, stiff and uncomfortable over time. For a watch as bold as the Royal Oak Offshore, we felt collectors deserved better.
We set out to create a premium aftermarket AP rubber strap that is more comfortable, more affordable and available in colours that do justice to the watch. Inspired by the world of performance cars, from Porsche GT racing to Ferrari, every MIDAS strap is designed to complement the bold character of the Royal Oak Offshore.

Why MIDAS
Premium Straps
As passionate AP enthusiasts, we design premium rubber straps for Royal Oak Offshore collectors who value exceptional comfort, precise fit and everyday durability.
14 Amazing Colours
Choose from 14 distinctive colours inspired by the world of performance cars. Build a collection of straps to match your watch, your style or simply your mood every day.
Trusted by Collectors
Over 1,000 MIDAS straps have been supplied to Royal Oak Offshore collectors worldwide. Every strap is backed by our lifetime warranty for complete confidence.
FAQ
Will a MIDAS strap fit my Audemars Piguet Royal Oak Offshore 15709TR?
Yes. The 15709TR takes a direct-fit Audemars Piguet Royal Oak Offshore rubber strap replacement.
Do I need to buy new end links?
No. This reference comes on a leather strap from the factory, so your existing OEM end links transfer directly to a MIDAS strap.
What buckle should I use?
This reference requires the free MIDAS tang buckle included with your strap, the factory 24mm Diver buckle isn't compatible.
What tools do I need to change the strap?
See our how-to install guide for exactly what's needed and the full process.
Is a MIDAS strap OEM or aftermarket?
MIDAS straps are a direct-fit aftermarket replacement, engineered to the exact specifications of the factory strap, so fitment, function, and finish match without needing any AP-branded parts.
Does MIDAS offer a warranty?
Every MIDAS strap is backed by a lifetime warranty.
Do you ship to my country?
Yes. MIDAS offers free worldwide shipping on every order, wherever you're based.
Trusted by Collectors
I have bought straps from another brand costing almost twice as much, but these are just as good, if not better. They are very comfortable, fit perfectly and are easy to swap. Highly recommended.
I first bought a black strap because the OEM rubber felt too stiff. MIDAS straps are much more comfortable, and I prefer the slimmer profile. I chose something bolder for my second purchase.
A great product and buying experience. My Diver had become a little boring, but this strap gave it a fresh look and much more wrist time. Fast shipping and excellent communication throughout.
I wanted a replacement after my OEM strap cracked. I did not expect an aftermarket AP rubber strap to feel this good. It is more flexible, grips well and matches the dial perfectly.
Royal Oak Offshore 15709TR Customer Photos
Real MIDAS straps on real 15709TR owners' watches. Check back soon, we're building this gallery out as customer photos come in.