Audemars Piguet 2889 Instructions For Use Manual - page 9
Manual is about: Hand-wound Tourbillon and Chronograph
of
14
Calibre 2889
36
37
2. Descr
ip
tion of w
atc
h
Eng
lis
h
Views of the movement
Technical data of the movement
Total thickness : 8.07 mm
Total diameter : 29.90 mm
Frequency : 21,600 vibrations/hour (3 Hz)
Number of jewels : 28
Minimal power reserve : approx. 72 hours
Manual winding
Balance with variable inertia screws
Breguet (Phillips) hairspring
Mobile stud-holder
Number of parts : 290
Dial side
Bridge side
Specificities
Integrated chronograph movement
Chronograph mechanism with column wheel
30-minute counter
Manual finishing on both bridges and mainplate
Manual finishing of the cut out parts (polished
bevels, grained finishing on top and Matt
"brouillé" finishing underneath)