Patek Philippe Aquanaut Watches

When you’re travelling from one celestial body to another within the 100 billion or so stars that make up our galaxy, which itself is one of 100 billion galaxies within the observable universe, it’s nice to have something to remember your place amongst it all. Interstellar hitchhiker Arthur Dent had his towel to remind him of home; perhaps if he’d had £220,000 to spend, he could have had this instead: the Patek Philippe 6102R.

The in-house movement seems to be the be-all and end-all of modern watchmaking. If you’re a watchmaker and you don’t got an in-house movement, you’re going to struggle. Some of the biggest brands in the world, who up until recently have made do with tickers of the bought-in variety, have had to invest huge sums into the design and development of their own movements to cater for the demands of the watch-buying public. And that’s because the in-house movement is understood to have been a staple of the watchmaking of old—the truth, however, is a little different.

The dress watch is perhaps the hardest watch to master. It has to be simple, it has to be manual wind, it has to have no complications—small seconds at a push—and it has to be small, both in diameter, but more importantly, thickness. This leaves very little for a watchmaker to hide behind, only the quality of the watchmaking itself left to do the talking. How do the very best brands in the world do it?

Doppelchronograph, rattrapante, split-second—you’ve probably heard of one if not all of these terms, and maybe you even know that they all mean the same thing. But what exactly is a split-second chronograph, and how on Earth do they work?