Malte Tourbillon Régulateur. Movement :1790 R, manual-winding mechanical, tonneau shaped tourbillon regulator movement, designed and manufactured by Vacheron Constantin, height of movement: 6.10 mm, width of movement: 26.90 mm, length of movement: 28.50 mm.

Jewelling: 27 rubies. Frequency: 18’000 vibrations/hour. Indications: Hours and minutes on regulator display, small second on tourbillon cage. Power reserve: approximately 40 hours. Case: platinum 950 or 18K 5N pink gold, 39.90 mm x 49.90 mm, transparent sapphire crystal.

Water-resistance: 3 Atm equivalent to a depth of 30 metres. Dial: 18K gold, five different kinds of finishing for optimal reading: snailed, guilloched, opaline, vertical satin-finishing and circular satin-finishing.

Strap: dark-blue or brown hand-stitched, saddle-finish, square-scaled alligator leather. Clasp: platinum 950 or 5N 18K pink gold folding clasp, half Maltese cross.