What time is it? Watches and horology

My crappy watch has broken and I'd like to enter the world of having a decent watch.

Sadly, my budget prevents me actually getting something proper.

I'd be really keen to hear any recommendations for something:

• sub-£400 second hand
  
• relatively sleek and minimal (big fan of the Seiko Lord Matic, @YeahNerdz Casio and the Grand Seikos on previous pages for an idea
  
  

Thanks!