Family: 31xx31 jewels50h power reserve28,800 vph (8 Hz)
GMT-Master II/Explorer II, Parachrom hairspring, 24h hand
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
31 jewels
Power Reserve
50h
Frequency
28,800 vph (8 Hz)
Diameter
28.5mm
Display Type
Analog
COMPLICATIONS
GMT
FEATURES
Parachrom Hairspring24-Hour Hand
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2005CALIBER FAMILY
31xxCOUNTRY
SwitzerlandALSO KNOWN AS
cal. 3186