The DD 4500 is a chronograph module featuring grande date (big date) complication using two date discs displayed at 12:00. The chronograph includes 60-second, 30-minute, and 12-hour counters with quickset date. Used extensively by Breitling and DuBois et fils. The module has a balance stop (hacking) function. Available in different configurations with or without date features.
Movement Type
Automatic
Jewel Count
49 jewels
Power Reserve
44h
Frequency
28,800 vph (8 Hz)
Diameter
30mm
Height
7.4mm
Display Type
Analog
Rotor Type
bidirectional
Shock Protection
Incabloc
BRAND
Dubois DéprazTYPE
AutomaticSTATUS
In ProductionMANUFACTURE
ÉbaucheCALIBER FAMILY
DD 45xxCOUNTRY
SwitzerlandALSO KNOWN AS