Hello,
No need to wind it, it won't work at all
This watch is a superquartz one, the battery needs to be replaced.
So you will need to get it serviced by a Breitling center
http://www.breitling.com/en/maintenance/SpecificationsCaliber: Breitling 73
Movement Type: Superquartz
Base Movement: ETA Thermoline 251.232
Battery/Life: 394/2-3 Years
Complications: Chronograph
See here for more information on your watch:
http://www.breitlingsource.com/watch_de ... ne_38.htmlAlso see these 3 videos from Breitling about their maintenance checks
http://www.breitling.com/service/