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Brand
Breguet
Reference Number
5377PT/12/9WU
Mechanism
Self-Winding
Collection
Classique Grandes Complications
Case Material
Platinum
Function
Tourbillon ' Extra Thin ', Power Reserve Indicator
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Breguet - Classique Grandes Complications - 5377PT/12/9WU ' Tourbillon - Extra Plat (Extra flat) '

Extra-thin 3 mm self-winding movement, calibre 581DR, 16 lines, 42 jewels. Tourbillon in a titanium carriage. Inverted lateral lever escapement with silicon horns. Silicon balance spring. Frequency 4 Hz. Barrel mounted on roller bearings. Peripheral platinum rotor. 80-hour power reserve. Small seconds on the tourbillon axis. Ultra-thin 7mm case in 950 platinum or 18-carat rose gold. Silvered gold dial adorned with four different engine-turned patterns executed by hand : clou de Paris hobnail, barleycorn, straight chevrons and cross hatching. Sapphire caseback. Water-resistant to 3 bar ( 30m ). Diameter: 42mm. 

Movement

  • Calibre 581DR
  • Winding Self-winding
  • Power reserve (hours) 80
  • Lines 16
  • Jewels 42
  • Frequency 4
  • Balance-wheel Breguet
  • Escapement Swiss straight-line lever, SI
  • Balance-spring Flat / Silicon
  • Number of components 262

Case

  • Metal Platinum
  • Sapphire caseback Yes
  • Case shape Round
  • Diameter (mm) 42
  • Case thickness (mm) 7
  • Water-resistant (m) 30