How many Chronometers were certified in 2006? According to the Federation of the Swiss Watch Industry, the COSC certifications added up to 1,300,140 Chronometers.

The leaders of the pack still remain the same with Rolex, Omega followed by Breitling. Here is a complete list of all the companies with more than 1000:

Rolex (710,752)
Omega (257,187)
Breitling (182,223)
Panerai (46,454)
Chopard (23,462)
Ulysse Nardin (10,111)
Corum (8,189)
TAG Heuer (7,450)
Chanel (6,980)
Mido (5,722)
Porsche Design (3,892)
Bulgari (3,698)
Ebel (3,516)
Montblanc (3,471),
Invicta (2,717)
Titoni (2,018)
Zenith (1,917)
Rado (1,805)
Eterna (1,706)
Enicar (1,672)
Paul Picot (1,638)
Sinn (1,596)
Christian Dior (1,100)

All others had less than 1000.

Increase of 10.7% overall which is fantastic. Breitling in particular issues by far more Quartz Chronometers than anyone else. Of 56,225 quartz certificates, 54,744 of them were for Breitling. That represents over 97% of total Quartz Chronometre output! Congrats to Breitling!

Another figure you can get out of these stats for Breitling is that just a hair over 30% of all Breitlings sent in for COSC certification were Quartz! That’s a very large percentage!