Delta - For the initial phase of my 6542 project I needed a cheap, vintage gmt dial & movement, so I bought a 1675 from either Josh or Andrew (I cannot remember which). As a 1675 rep, it leaves alot to be desired because the case & caseback are actually etched with 5513 markings. Now, you will probably want Coke instead of Pepsi, but the bezel looks pretty accurate to me & it functions perfectly. More importantly, these bezels fit onto a number of other cases (including an MBW 5513) & vice-versa, so they may fit your case as well (the bezel OD is 40mm)
p.s. As it turns out, if I grind down the sides, this case is almost the perfect dimensions to host a gen 1030 for my 6536 project (talk about recycling).