Time-only, no-date automatic movement, essentially a caliber 3135 without the date complication. Upgraded from the 3000 with full balance bridge, larger balance wheel, and Breguet overcoil hairspring. Later versions received Parachrom Blue hairspring and Paraflex shock absorbers. Replaced by caliber 3230 in 2020.
Movement Type
Automatic
Jewel Count
31 jewels
Power Reserve
48h
Frequency
28,800 vph (8 Hz)
Diameter
28.5mm
Display Type
Analog
Rotor Type
bidirectional
Shock Protection
KIF or Paraflex (later versions)
BRAND
RolexTYPE
AutomaticSTATUS
DiscontinuedMANUFACTURE
In-houseLAUNCH YEAR
2001CALIBER FAMILY
31xxCOUNTRY
SwitzerlandALSO KNOWN AS