40.5mm on a steel bracelet with 200m of water resistance is the size bracket I keep coming back to when cataloguing GMTs — big enough to read at a glance, small enough to sit under a cuff. The blue dial gives it a bit more presence than the flatter black or white options in the range, and the independent GMT hand does the actual job a second-timezone complication is supposed to do. Against the steel GMTs I've measured from the usual suspects at three to four times the price, the value-per-dollar axis on this one is hard to argue with.