Classical Billionaire Tourbillon in white gold with diamonds and blue sapphires, Corum, enquiry@corum.com.sg

Assioma Multicomplication watch in platinum with automatic tourbillon, perpetual calendar in-house, second timezone, skeletonised dial and black alligatorleather strap, Bvlgari, info@bulgari.com

Tourbillon Messidor watch in rose gold with off-centred dial at 12 o’clock, openworked hand-wound movement, tourbillon regulator and sapphire crystal caseback, Breguet, sales@breguet.ch

Tourbillon Glissiere in white gold with openworked selfwinding movement, flying tourbillon, power reserve indicator of up to 120hrs and black alligator-leather strap, Harry Winston, www.harrywinston.com