"Nowadays, Each and every model has grasp source preparing, and In relation to figuring out reference numbers, it will come down to what's uncomplicated and versatile for that application," TAG Heuer's Biebuyk stated. This transition began inside the '60s and '70s as suppliers started to use rudimentary pcs and databases https://www.watchesworld.com/a-history-of-watch-reference-numbers/