Self-winding mechanical GMT movement with independently adjustable 24-hour hand, introduced circa 2005-2006 as an upgrade to the 3185. Features Parachrom Blue hairspring for enhanced shock and temperature resistance. Used in GMT-Master II and Explorer II until replaced by caliber 3285 in 2018.
Movement Type
Automatic
Jewel Count
31 jewels
Power Reserve
50h
Frequency
28,800 vph (8 Hz)
Diameter
28.5mm
Display Type
Analog
Rotor Type
bidirectional
Shock Protection
Paraflex
BRAND
RolexTYPE
AutomaticSTATUS
DiscontinuedMANUFACTURE
In-houseLAUNCH YEAR
2005CALIBER FAMILY
31xxCOUNTRY
SwitzerlandALSO KNOWN AS
