Sotirio Bulgari Tourbillon Quantième Perpetuel

Automatic Tourbillon featuring a Perpetual Calendar with double coaxial retrograde hands. In-house manufacture movement with automatic winding, BVL 465 caliber, 465 components. See-through Tourbillon with exclusive hanging bridge. 64-hour power reserve, 46 jewels, 21'600 vph (3 HZ). In-house manufactured 43 mm platinum case with unique construction featuring lugs on the case back to ensure greater resistance to shock. Monogrammed crown, anti-reflective convex sapphire crystal and transparent case back. In-house manufactured multi-level dial with “guilloché” and opalin treatments. Black oxidized and rhodium colour, hand-applied Roman numerals, faceted indexes and counters. Skeletonized hours and minutes with faceted hands. Black alligator strap with in-house manufactured platinum ardillon buckle. Limited edition of 30 pieces.