Challenge Tourbillon 8 Sapphire/Blue Mvt E00105.3983001 Power reserve – 41 hours Black dial with sunray finishing

Black dial with sunray finishing and printed Arabic numerals filled with white luminous treatment

the subtly gradated deep blue dial features a date calendar and bold LumiBrite hands and markers

the gradated light blue-gray dial features a date calendar and bold LumiBrite hands and markers

Frequency: 21 600 vibrations per hour

available only a controlled production run of 1

Challenge Tourbillon 8 Sapphire/Blue Mvt E00105.3983001 Power reserve – 41 hours Black dial with sunray finishingCvstos CHALLENGE TOURBILLON 8 SAPPHIRE BLUE MVT, , Cvstos CVS77620, Manual winding mechanical, Openwork tourbillon, with function: Hour, minute, with function: Small Seconds, with function: Tourbillon.