ITEM NUMBER: EX120.43.AA.AA.ABRUA
 
Movement:
Caliber: JCAM45, hand-wound, skeleton, black PVD and rose gold coating
Diameter: 14.25 mm
Height: 5.90 mm
Components: 158
Power Reserve: 48 hours
Frequency: 28,800 vib/h (4 Hz)
Jewels: 21
Functions: hours and minutes
Structure: vertically aligned skeleton structure. Openworked barrel. Dial-side balance wheel
 
Case:
Diameter: 44 mm
Height: 13.05 mm
Material: 18k rose gold
Crown : 18k rose gold with black aluminum tube
Crystal : sapphire with anti-reflective treatment
Case Back: sapphire with "Producer Michael" signature
Water resistance: 50 m (5 atm)
 
Dial & hands:
Dial: openworked rose gold-PVD bridges with red Jacob&Co. logo, rainbow Neoralithe minute track.
Hands: drumstick-shaped
 
Strap & clasp:
Strap : honeycomb rubber strap on 18k rose gold pin buckle

Limited Edition:
101 pieces