Your statements aren't entirely true. Omega / Swatch group cutoff third-party resellers of parts and instead only allowed watchmakers and other certified technicians parts accounts. The cupboard was bare for those resellers, but still accessible to those who qualified.
For independent watchmakers with Omega parts account I heard they need a serial number to attach to most of the parts orders, especially for LE pieces. Therefore getting the parts are harder now and a bit more expensive, but they're still being produced. And AD's and OB's are strictly prohibited from reselling internal parts to mod watches.
Expect to pay at minimum $800-1000 for new parts, $600-800 for the dial itself. If you must have it you're probably best off procuring one that's had the mod already performed.
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