Sinn Spezialuhren 144 St Sa Sporthilfe

The Sinn 144 St Sa Sporthilfe, reference 144.0622, is a chronograph with a 41 mm steel case, a limited edition of 300 pieces. A silk-matt white dial shows the date and small seconds beneath sapphire crystal. The bead-blasted case is 14.1 mm thick, with a see-through back and water resistance to 200 metres. The movement is self-winding calibre Concepto C99001. A gold-toned seconds hand adds a separate colour to the display. The crown has a screw-down construction.