This Ulysse Nardin Executive Skeleton Tourbillon features a 45mm titanium case with scratch-resistant sapphire crystals and a satin-finish front face. The open-worked dial showcases the in-house UN-171 movement ticking inside, along with a black inner chapter ring, Roman numeral hour markers, and a tourbillon at 6 o'clock.

• Condition: pristine condition, appears unworn entirely
• Case size: 45mm diameter
• Movement caliber: UN-171
• Movement frequency: 18,000 vph (2.5Hz)