Just bought one of these :
http://www.transair.co.uk/product4.a...roduct_ID=3504
There may be more functional watches around but this is a brand new model.
I just figured that Seiko make good tough reliable watches so it may last me for 20+ years or so...
Seiko website RRP is 295GBP. I got mine in Hong Kong for 165GBP so I would shop around.
B/R