I have been collecting for four decades and cannot be more ecstatic. I've just added an APRO 15500ST 41mm black dial to my collection!
My collection from left to right and their purpose in the collection:
2020 Audemars Piguet Royal Oak 15500ST 41mm Black Dial WR Serial - to enjoy at home and at black/white tie events
2007 Rolex Daytona 116520 40mm White Dial Z Serial - to enjoy at the office
2012 Panerai Luminor 112 44mm O Serial - to enjoy while swimming or playing other sports, or just at the beach
2000 Omega Speedmaster Moonwatch 3570.50.00 42mm 77 Serial - to enjoy while on business or vacation travel