I recently ordered a custom double horn back strap for my Royal Oak 15400 and wanted to see if it would fit my new Openworked Perpetual Calendar. It turns out that it fits quite well and the results are quite pleasing! Sending my regards from Shanghai. En...
And it looks great on the strap Creates more emphasis on the watch head with its open-worked movement The RO bracelet would detract a bit IMO Cheers, John