Bulgari x MB&F Serpenti

Case: 53mm x 39mm x 18mm - 3 choices: grade 5 titanium, black PVD stainless steel and 18k rose gold - case fitted with 5 sapphire crystals with anti-reflective coating on both sides - crown at 11 o'clock for winding, crown at 1 o'clock for time-setting - water-resistance 30m

Display: open case design - two rotating aluminium domes, hours on left, minutes on right - suspended 14mm balance wheel in centre with bridge branded Bulgari x MB&F - indices and markers coated with Super-LumiNova

Movement: MB&F manual-winding movement - 310 components - bespoke 14mm balance wheel - 2.5Hz - - 45-hour power reserve with single barrel - hours, minutes, power reserve indicator on caseback

Strap: titanium case with hand-stitched blue rubber strap, Velcro system and titanium ardillon buckle
black PVD steel with hand-stitched black rubber strap, Velcro system and steel ardillon buckle
rose gold with hand-stitched green rubber strap, Velco system and gold ardillon buckle

Reference: 104047 titanium
104139 steel black PVD
104057 rose gold