OK, these are hot and significant like just a few watches: they hum at 256Hz and vibrate at this rate, they share a sweep second, they are made of massive gold, they come with original massive 18k gold bracelet and a quality made custom strap, they are not only precise but also historical relevant and overall, they are extremely beautiful and wearable -- Furious Four Beta21: Omega, IWC, IWC & Rolex.