Sinn Spezialuhren 144 St Sa C.A.D.

The Sinn 144 St Sa C.A.D., reference 144.0621, is a steel chronograph in a limited edition of 100 pieces. The bead-blasted case measures 41 mm across and 14.2 mm thick, with a see-through back and water resistance to 200 metres. Calibre Concepto C99001 is a self-winding movement. Under sapphire crystal, the dial shows the date, weekday and small seconds. An internal tachymeter scale encircles the display. This special edition has luminous indices and hour and minute hands.