Race Black OZ, High grade 316 L steel with black DLC treatment, exclusive ArtyA Automatic Movement, fast-spinning dial resembles a OZ racecar wheel rim, open back with moving tachometer on carbon fibre dial. Hours, minutes, seconds, power reserve: 50h, size: 44mm. Engraved and screwed back case, carbon fiber lateral inserts, triple anti-reflective treatment on sapphire. High quality hand made leather strap. Limited to 99 pieces, Swiss manufactured.