Universal Aero-Compax Dual Time Chronograph Wristwatch
Universal Aero-Compax ref 22414, a stainless steel chronograph wristwatch with dual time zone, circa 1949. Dial: silvered, additional engine-turned time-zone dial at 12. Calibre: cal. 287 manual winding, 17 jewels. Case: stainless steel brushed and polished round, snap-on back. Case number: 1487180. Closure: black leather strap. Dimensions: 1.46 in. diameter. Accessories: none. The Aero-Compax was first introduced in the 1940s by Universal at the time of the Second World War., a watch for collectors, this piece offers more than chronograph capabilities as it houses a unique patented complication, namely a second time display at noon. This reminder dial has independent hour and minute hands which the wearer sets by the crown at 9 to register a specific time. This could be used in military operations or to keep a specific time as a reference. The three other subsidiary dials show the constant seconds and chronograph registers.
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- Chronograph - A chronograph is a watch that also incorporates the features of a stopwatch, to measure elapsed time. Most chronographs are operated by two buttons, one to start and stop the chronograph second hand, and the other to return that hand to the starting position.
- Circa - A Latin term meaning 'about', often used in the antique trade to give an approximate date for the piece, usually considered to be five years on either side of the circa year. Thus, circa 1900 means the piece was made about 1900, probably between 1895 and 1905. The expression is sometimes abbreviated to c.1900.
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