| Case |
Pink or White Gold 18 cts
Width : 42,2 mm
Height : 18,1 mm
Case finish : polished
Bezel finish : polished
Horn finish : welded, polished and micro-blasted
Inter-horn distance : 26 mm
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| Back |
Pink or White Gold, screwed
Engraving : by hand
Sun dial decoration : hand-engraved with grand feu enamel
Sun dial origin : artisan watchmaker’s farmhouse from 1750, Les Bois
Strap : real alligator, large scales with tassel
Buckle : tongue pink or grey gold 18 cts
Crown : pink gold with machine engraved logo
Brand logo : 3 fir trees on 3 mountains
Logo symbolism : settling of the Jura by clearing, around 1350
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| Dial |
Silvered or matt black
Hand center : hand guilloche work
Hand guilloche work pattern : progressive circular pyramids
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| Hands |
hand decorated
Hand decoration: drawing on the 2 faces, bevelling on the flanks
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| Movement |
The Harmonious Oscillator
Winding : manual, 20 crown revolutions
Power reserve : about 42 hours
Manufacture : made by Rudis Sylva
Purchases from third parties : 7 parts : escapement, stones, spring, Incabloc
Indicators : hours, minutes
Main plate machining : on machine with bed plate, 205 operations
Precision control : 100 % of components
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| Harmonious oscillator |
Unique system worldwide
Balances : toothed, connected, providing the same amplitude
Escapement : only 1 with 1 pallet fork positioned at 90 degrees
Frequency : 21,600 vibrations/hour (3 Hz)
Cage rotation : 360 degrees in 60 seconds
Cage diameter : 17,40 mm
Balance spring : 2, flat, asymmetric deployment
Balance spring symmetry and energy : constantly opposed
Vertical gravity correction : instantaneous, completely eliminating the effects of gravity
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| Movement finishes |
Haute Horlogerie finishing
Main plate : bevelling, pyramid guilloche work
Hand-decorated bridges : bevelling, circular graining, drawing
Gear train : circular graining, diamond-polished corners
Screws : machine threading with controlled undercut
Barrel drum : snailed
Titanium cage bridge bevelling : 28 inward corners, drawing, 30 hours’ work
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