Daily Beater : This can be anything, titanium Omega Seamaster Chrono, Omega Planet Ocean, PAM036 probably the ones I would use most.
Dress Watch : Solid 18k gold Franck Muller Casablanca or Audemars Piguet Royal Oak Jumbo or Vacheron Constantin Overseas (I have worn this to weddings).
Smart Casual : Zenith El Primero Rainbow or IWC GST Chrono, or Audemars Piguet Royal Oak Offshore in titanium. Perhaps even the Breitling Chronomat Evolution.
Sporty: Doxa Sub 600T/750T (orange dial) or Sinn U1 , or Omega Seamaster/Planet Ocean range on rubber strap, or Breitling Avenger Seawolf/Chrono Avenger on rubber strap.
Travel Watch: Omega Seamaster GMT (white dial or black dial)
Vintage: Vintage Omega Seamaster, Doxa 300T or RlX Seadweller/Subs.
Watch to go clubbing: White ceramic men's size Chanel J12 or two tone serti dial RlX Sub. Perhaps even a PAM187.
Watch to go casino with: Franck Muller Vegas or Corum Casino.... or any big Panerai to divert attention.