Given that orange is one of the most visible colours in the spectrum, it makes sense that Alpina’s new Extreme Diver 300 timepiece features the colour heavily. I’m not a diver. I scuba a little and snorkel when I can, but 300 metres? No need. I can, however, appreciate a fine timepiece, and as the weather in our usually-cold-and-wet little country seems to be doing us proud, why not consider one just for the sheer hell of looking good. The new Extreme Diver collection features a three-hand auto and mid-size quartz. The range is indeed designed for professional divers. It has a serious bezel, an adjustable strap to go over…