That’s what i currently have too. Serious 3 that i wear most of the time (Speedy, 44GS hi-beat, Sinn 103) and then the fun part that gets very little wrist time.
Edit: total 3 serious, +2 with borderline justifiable purpose (Seiko dive watch and a beater g-shock) and the +6 just for shits & giggles. (5kx, 5kx GMT x2, Prospex Alpinist, ’77 Seiko Superior Quartz, Casio Duro). In a box of 10 it’s just about good amount, box is always full ;)