The Nautilus isn't just another luxury sports watch, it helped to define a new style and redefine Swiss luxury watchmaking. Forty years later it remains just as modern and desirable as it was in 1976. It's one hell of a watch.
The alarm was the most useful complication ever to be fit inside a mechanical watch. The practicality of a tourbillon is debatable and apart from an indulgence for mindless fidgeting, a chronograph rarely sees use but despite this, the mechanical alarm is no more.