Side-by-side at a glance. Click a watch above to open the full reference page.

	Girard-Perregaux 81020-11-431-11A	Girard-Perregaux 81005-11-431-11A
Model	Laureato Chronograph 42mm	Laureato 38mm
Caliber	GP Cal. 03300-0115 -- in-house automatic chronograph, 28,800bph, 54h PR; used in Laureato Chrono 42; integrated column-wheel, GP in-house finishing	GP Cal. 03300-0054 -- in-house automatic, 28,800bph, 54h PR, 30j; used in Laureato 38 and 1966 42 Auto; Girard-Perregaux manufacture caliber
Case size	42mm	38mm
Lug-to-lug	48mm	44mm
Years produced	2018–present	2016–present
Brand tier	enthusiast	enthusiast
Era	modern	modern
Movement tier	Unclassified movement	Unclassified movement
Market median (excellent / full-set)	n/a	n/a
Typical range	n/a	n/a
Confidence	low	low
Categories	sport	sport
Editorial	yes	yes

Girard-Perregaux Laureato Chronograph 42mm vs Girard-Perregaux Laureato 38mm