"The Sinn 103 St Ty Hd represents the first time in nearly two decades that Sinn has incorporated a hand wound caliber (hence the "Hd" in the name) into a Sinn 103 Series watch.
In addition to the manually wound movement with a 58+ hour power reserve, this new watch also features a tachymeter scale (the "Ty" in the name) on the interior bezel, a domed acrylic crystal, and Sinn's D3 (direkt-doppel-dichtend) crown system. This innovative system integrates the crown into the case and provides protection against knocks and moisture intrusion, all without requiring a screw down crown. Only 1,000 pieces of this watch will be produced for worldwide distribution, all packaged in a presentation box with two wild boar leather straps."
This account is verified. WatchCrunch has confirmed that this account is the authentic presence for this person or brand.