It absolutely was also the 1st to have a sapphire crystal, the first for being watertight to 300m, and the last to have a matte dial. In actual fact, some incredibly late operate ref. Tag Heuer Carrera 'Glassbox' Chronograph I have experienced the prospect to spend a few distinctive situations https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/