The 37mm - a touch on the small size for what I usually where (usually more like 39), but then the Pt adds this solid Lange heft, then the enamel - this crisp chatoyance, then the cleanest dial layout - this stately classic presence, then the red 12 - a pop of fun, then that fluid micro-rotor - just this silky sophisticated mechanistic property... After months of searching (maybe more like years), it popped up at a pivotal point in our relationship and (this may sound weird), but it hit me that this watch was "us" and was in line with my vision for our future in a number of ways. Had it sent over from Japan, and the rest is history...