Sinn Spezialuhren 2300

The Sinn 2300, reference 2300.010, is a chronograph limited to 25 pieces with a 38 mm case. The polished case measures 11 mm thick, includes a see-through back and is water resistant to 30 metres. Sapphire crystal gives a view of the openworked dial and small seconds. Blued hands pass over the dial's hand-cut structure. Manual winding is used for calibre Valjoux 23, a shock-resistant and anti-magnetic movement. The movement's plates carry hand engraving as part of their decoration.