Description
Automatic chronograph movement with date and column wheel, based on ETA A08.L01. The .4 version has a silicon balance spring and is chronometer-certified.
All watches using this caliber:

L3.820.4.73.4
Longines Spirit Chronograph 42 Silver / Strap XL

L3.820.4.73.2
Longines Spirit Chronograph 42 Silver / Strap

L3.820.4.73.6
Longines Spirit Chronograph 42 Silver / Bracelet

L3.820.4.93.3
Longines Spirit Chronograph 42 Blue / Strap XL

L3.820.4.93.0
Longines Spirit Chronograph 42 Blue / Strap

L3.820.4.93.6
Longines Spirit Chronograph 42 Blue / Bracelet

L3.820.4.53.0
Longines Spirit Chronograph 42 Black / Strap

L3.820.4.53.3
Longines Spirit Chronograph 42 Black / Strap XL

L3.820.4.53.6
Longines Spirit Chronograph 42 Black / Bracelet