Probably the greatest challenge is finding authentic warbird fighter planes. Especially a prototype high performance fighter or interceptor. 
Taking care of this guy and watching all the children run up to him 😊 He's 550 grams so size of a duck. 
Owning a world champion Balabushka 



Having my watch exhibited in a National Museum 

Being asked for my watches to be included in books



Or magazines 





Seeing my project win it's class











Finally a night out