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Rolex Rebberg (Aegler) Movement Specifications, Beat Rate & Dimensions

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Home > Rolex > Rebberg (Aegler)

Technical Caliber Datasheet

ManufacturerRolex
Caliber ReferenceRebberg (Aegler)
TypeManual / Trench
Diameter (Lignes)13'''
Jewel Count17 Jewels
Oscillation Frequency18,000 BPH (2.5 Hz)
Lift Angle52°
Era1905-1920
Power Reserve39 hours
Escapement TypeStraight line lever escapement
Balance Wheel ConstructionBimetallic compensation balance with gold screws
Hairspring SpecificationBlued steel Breguet spring
Shock Protection SystemRigid balance jewels

Historical & Mechanical Notes

The Rolex Rebberg (Aegler) is revered among horologists for its mechanical architecture and precision timing characteristics. Operating with an oscillation rate of 18,000 BPH and a 51° lift angle, this movement exemplifies vintage fine watchmaking standards.

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