L

• Lap timer

  A chronograph function that lets the wearer time segments of a race. At the end of a lap, he stops the timer, which then returns to zero to begin timing the next lap.

• Luminous

  Self illuminating paint used on hands and hour markers which enables the wearer to see the time and indicators in the dark.

• Ligne

  Ancient French measuring unit maintained in horology to indicate the diameter of a movement.  A line (expressed by the symbol ""') equals 2.255mm.  Lines are not divided into decimals; therefore, to indicate measures inferior to the unit, fractions are used (e.g. movements of 13""' or 10""'1/2).