Breguet caliber 558SQ1
Breguet · Movement

Breguet caliber 558SQ1

Ref. 558SQ1

The Breguet caliber 558SQ1 is a handwound movement with a 50-hour power reserve, beats at 18,000 vph, and carries 21 jewels.

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

Type
Handwound
Display
Analog
Power reserve
50 h
Frequency
18000 vph
Jewels
21
Diameter
29.9 mm
Complications
Hours, Minutes, Skeleton, Small Seconds, Tourbillon Escapement