Family: 15xx19,800 vph (5.5 Hz)
GMT-Master 1675, date version of 1570, hacking added ~1971, 19,800 vph
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Frequency
19,800 vph (5.5 Hz)
Display Type
Analog
Winding
Automatic (Bidirectional)
Shock Protection
Incabloc
FEATURES
Hacking Seconds
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
DiscontinuedMANUFACTURE
In-houseLAUNCH YEAR
1965CALIBER FAMILY
15xxALSO KNOWN AS
cal. 1575