18-carat rose gold. Hand-wound mechanical chronograph movement with column-wheels. Oven-fired white enamel dial with secret signature. Red colored tachometer's scale indication (base 1000 meters) at the center of the dial. Red chronograph's seconds and tachometer's hand at the centre. 30-minute totaliser at 3 o'clock. Small second at 9 o'clock. Sapphire-crystal caseback.
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