Given the subject matter of the new Disk_O chronograph, you'd think it would have come from a manufacturer such as Brembo given its casing made to look like a cross-drilled brake rotor complete with accenting caliper. Nope. Instead the piece comes from Pirelli as one of the latest entrants in the brand's PZero line of wearable goods. If you're into automotive-themed horology as we are then you'll probably want to check it read more. We found the watch listed over on the Watch Happening blog. Read more after the jump.