I've been visiting Thailand on visa exempt for 30 years, 20 years without my wife and have never been asked for any financial statement or accommodation booking by Thai immigration , i have however been frequently asked about onward tickets and more recently vaccination status and insurance by the airlines.
It's the mechanism you may have the most trouble with, if you love the clock perhaps you might consider gifting it to a family member or selling it to to someone who loves it as much as you? Free Willy , and yourself , so too speak.