Family: 99221 jewels18,000 vph (5 Hz)
Legendary American railroad pocket watch. 21 jewels. 16 size (16 ligne). 18,000 vph. Adjusted to 6 positions and temperature. Produced 1940-1969. Over 685,000 made. Final iteration of Hamilton's railroad caliber family.
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Jewel Count
21 jewels
Frequency
18,000 vph (5 Hz)
Display Type
Analog
FEATURES
Sweep SecondsHand Winding
QUICK FACTS
BRAND
TYPE
Manual WindingSTATUS
DiscontinuedMANUFACTURE
In-houseLAUNCH YEAR
1940CALIBER FAMILY
992COUNTRY
USAALSO KNOWN AS
railway special