Breguet caliber 558SQ1
558SQ1 description
Hand wound movement, engraved by hand. Running seconds on the tourbillon shaft. Compensating balance spring with Breguet overcoil.
Pictured from dial side.
Hand wound movement, engraved by hand. Running seconds on the tourbillon shaft. Compensating balance spring with Breguet overcoil.
Pictured from dial side.