sPeCiFiCATiOns OF The MOVeMenT
selF-WinDing MeChAniCAl MOVeMenT
CAliBeR Ch 28-520
DIaMEtEr
HEIGHt
nUMbEr of PartS
nUMbEr of JEWELS
PoWEr rESErVE
WInDInG rotor
baLancE
frEQUEncY
baLancE SPrInG
HaLLMark
displays
cEntEr HoUr anD MInUtE HanDS
SWEEP cHronoGraPH/SEconDS HanD
tacHYMEtEr for 1000 M
tELEMEtEr In kM
PULSIMEtEr for 15 PULSES
Buttons
cHronoGraPH Start anD StoP at 2 o'cLock
cHronoGraPH rESEt anD fLYback at 4 o'cLock
30 mm
5.2 mm
239
29
Min. 50 hours – max. 55 hours
central rotor in 21K gold,
unidirectional winding
Gyromax
®
21,600 semi-oscillations/hour (3 Hz)
spiromax
®
Patek Philippe seal
23