what a great post and looking at the responses we are spoilt for choice.

We must therefore have one for each day of the week and some spares too.

My personal choice is Breitling navitimer. But then again I've bought a Sewells submarine service 100 year (No longer made), an AV-8 with matching M3W roundal, and I'm always looking at the autodromo mototipo. Love em all!