At least Sulu seemed to realize that Ianto was calming down, thankfully, so he didn't push the issue one way or another. Instead, he just reached out to pick up a box, smiling at Ianto. "I definitely don't mind. I wouldn't have offered to buy you something if I was going to turn you down on the thing you like, you know?" He nodded towards the register. "Besides, it's cool. Just... If it stops, or breaks or something? You might not be able to take it to a shop or anything." He shrugged. "I dunno for sure, but I think '200 years worth of technological advancement' applies to watches as much as anything. Y'know?"