What is a chronograph watch?

A chronograph watch is a timepiece that includes a built-in stopwatch function alongside the standard hours and minutes. Pushers on the side of the case start, stop and reset the sweep-second hand. This mechanism allows the wearer to measure elapsed intervals of time independently of the time of day.

How do I wind a pocket watch?

Winding an antique pocket watch involves turning the crown clockwise until resistance is felt. Some older key-wound pieces require a separate key inserted into the back dust cover. Care should be taken not to overwind vintage mainsprings, as older steel can snap under excessive tension.

Were these watches used in the military?

Many vintage chronographs served military forces for aviation, artillery and naval operations. These pieces feature specific issue markings on the case back and high-legibility dials. Governments commissioned them for precise timing during navigation and tactical manoeuvres.

What is a triple date chronograph?

A triple date chronograph displays the day of the week, the month, and the date in addition to the standard chronograph functions. Additional subdials and windows on the dial face present this calendar information. These complicated movements represent higher-tier watchmaking from the mid-twentieth century.