World Time

Scottish-born Canadian Sir Sandford Fleming devised a worldwide system of time zones in 1879. He proposed that a 24 hour day would begin at midnight at the anti-meridian of Greenwich, this became known as GMT or Greenwich Mean Time and became accepted as a worldwide standard.

Following the second world war watchmakers started producing GMT complication watches capable of displaying multiple time zones enabling the wearer to tell the time simultaneously in different locations.

Winding MechanismWorld Time