Breguet caliber 558QP3
Breguet · Movement

Breguet caliber 558QP3

Ref. 558QP3

Retrograde dates indication at 12 o'clock, days at 9 o'clock, and months and leap years at 3 o'clock. Small seconds on the tourbillon axis. Manually wound movement with tourbillon and perpetual calendar. Numbered and signed BREGUET. Cal. 558QP3. 14 ½ lines, 21 jewels. Power reserve of 50 hours. Lateral lever escapement and balance with adjustment screws on a Breguet spring. Frequency 2,5Hz. Adjusted in six positions.

Type
Handwound
Display
Analog
Power reserve
50 h
Frequency
28800 vph
Jewels
21
Diameter
32.7 mm
Complications
Date, Day, Hours, Leap Year, Minutes, Month, Perpetual Calendar, Skeleton, Small Seconds, Tourbillon Escapement