HOW TO IDENTIFY DIFFERENT WATCH CASE BACK DESIGNS AND ENGRAVINGS NO FURTHER A MYSTERY

If IWC introduced back a little something like the Mark XII (or XV, I do know you Mark XV lovers are to choose from also!), at all around 36 to 38mm – and nailed each and every depth like it did with the Mark XII – I don't know if they'd offer a huge amount of them, but I am persuaded it'd get adequate like to be properly explained by every b