This Illinois Bunn Special 21-Jewel 60-Hour Elinvar 161A Type IIB pocket watch is a prized railroad-grade timepiece known for its precision and durability. The crisp white Montgomery dial features bold Arabic numerals and a recessed seconds subdial, all housed in a classic gold-filled 16-size case. Its high-grade 21-jewel Elinvar movement delivers exceptional accuracy with an extended 60-hour power reserve—one of Illinois’ most celebrated innovations. A quintessential choice for collectors, this watch beautifully represents the golden era of American railroad timekeeping.
BRAND: Illinois
MODEL NAME: Bunn Special
MODEL NUMBER: 161A (Type IIB)
MATERIAL: Gold Filled
TOTAL WEIGHT: 90.9g
CASE MEASUREMENT: 16S
BAND TYPE: n/a
BAND LENGTH: n/a
MOVEMENT: 21J
ESTIMATED PRODUCTION YEAR: 1932
ACCESSORIES INCLUDED: n/a
Notes: Watch has been serviced and runs at time of listing
