Universal Geneve “Senna” NOS Full Set In the late 1990s, Universal Geneve partnered with the Ayrton Senna Institute (IAS), resulting in a series of COSC chronograph watches named after the brilliant Formula 1 driver Ayrton Senna. Reference 998.310, 40 mm steel case, black with Arabic numerals, Ayrton Senna logo in red, date with day of the week and day of the month, sapphire crystal, chronograph with threaded pushers, automatic COSC movement. State NOS “ New old stock” Unused (light marks). Complete with boxes and documentation. The documentation is blank and is delivered with a one year warranty from our store. All our watches are checked by specialized watchmakers. It is delivered with a 1 year warranty.