Type XXII flyback chronograph in steel with seconds hands on a 30-second basis at the centre. Half-minute totalizer at the centre. High-frequency escapement (10Hz ) composed of a Breguet balance wheel with timing screws, a balance spring, a lever and escape wheel in silicon. Self-winding movement with date and small seconds on a 30-second basis. 24-hour indicator and second time zone indicator. Two-way rotating and graduated bezel. Luminous hands and numerals. Screw-locked crown. Water-resistant to 10 bar ( 100 m ). Partial sapphire case back. Diameter : 44mm.