Leroy - LL104/2

Osmior Tourbillon Automatic Regulator Black

Brand: Leroy
Family: Osmior Range
Reference: LL104/2
Name: Osmior Tourbillon Automatic Regulator Black
Limited: No


Material: White gold
Glass: Sapphire
Back: Open
Shape: Round
Diameter: 41.00 mm
W/R: 50.00 m


Color: Black
Material: Yellow gold
Finish: Guilloche
Indexes: Arabic Numerals
Hands: Proprietary


The Osmior Tourbillon Automatic has a case of 41mm that houses the automatic, chronometer-certified caliber L512. In its present form, the case is done in white gold; the hand-guilloched gold dial is black.


Leroy caliber L512 Manufacture Leroy Movement presented in non-skeletonised version

Diameter: 28.80 mm (12.8’’’)
Frequency: 28,800 vibrations per hour (4 Hz)
No. of jewels: 23
Power reserve: over 52 hours

Bridges decorated with Côtes de Genève, sunburst, hand-chamfered
Flying tourbillon with variable-inertia balance with four gold setting screws and double balance-spring, diamond escapement, non-lubricated StruTech blank (61 components for 0.8 grams).
22 ct gold oscillating weight

Officially chronometer-certified by the Observatoire National de Besançon
Stamped with the "Viper's Head"

Caliber:L512 Manufacture Leroy
Diameter:28.80 mm
Reserve:52 h
Frequency:28800 bph
Time:Hours, Minutes, Small Seconds
Additionals:Tourbillon Escapement, Chronometer

More watches using the Leroy L512 Manufacture Leroy caliber