Model: Ultrathin Tourbillon Koi
Reference: 1UTAR.M99A.
Functions
Hours, minutes and flying tourbillon
Movement
Calibre A&S8200, 1 minute flying tourbillon, manual winding
Jewels: 29
Diameter: 32.00 mm
Thickness: 2.97 mm
Power reserve: 90 hours
Frequency: 3 Hz / 21,600 vph
Finishes
Main plate: Côtes de Genève stripes radiating from the centre and hand-engraved tourbillon bridge
Bridges: polished and chamfered by hand
Wheels: circular satin-finished
Screws: blued and chamfered, mirror-polished heads
Tourbillon carriage: satin-finished, polished and chamfered
Dial
Miniature painting on black mother-of-pearl
Silver lotus flowers, engraved and painted by hand
Case
18-carat red gold (5N) case
Diameter: 42.00 mm
Thickness: 12.23 mm (with crystal)
Crystal: Domed sapphire with an anti-reflective coating on both sides
Case back: Sapphire crystal
Water-resistance: 30 metres / 100 feet
Strap
Hand-stitched alligator leather strap
Pin buckle in 18-carat red gold (5N)
Edition
Unique piece
