Question 1

Case: Pink or Grey Gold 18 cts

Accepted Answer

Width : 43,5 mm
Height : 14,5 mm
Case finish : vertical satin finish
Bezel finish : polished
Horn finish : polished
Inter-horn distance : 28 mm

Question 2

Back: Pink or Grey Gold, screwed

Accepted Answer

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 18 ct pink gold
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

Question 3

Hands: Gold, hand decorated

Accepted Answer

Decoration: Drawing on the 2 faces, bevelling on the flanks

Question 4

Main plate: hand guilloche worked

Accepted Answer

Pyramids: 60 tapering

Question 5

Movement: Harmonious Oscillator

Accepted Answer

Dimensions: H. 7,78 mm / Ø 39,55 mm
Winding: Manual, 49 crown revolutions
Power reserve : About 70 hours
Manufacture : Made by Rudis Sylva

Question 6

Harmonious Oscillator: Unique system worldwide

Accepted Answer

Balances: Toothed, interlinked, ensuring 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-springs : 2, flat, asymmetric deployment
Balance-springs symmetry and energy : Constantly opposed
Vertical gravity correction : Instantaneous, completely eliminating the effect of gravity

Question 7

Movement finishes: Haute Horlogerie finishing

Accepted Answer

Main plate: Bevelling, tapering pyramid guilloche work
Bridges: Decorated, bevelling, circular graining
Gear train : Circular graining, diamond-polished corners
Barrel drum : Snailed
Titanium cage bridge : Bevelling, 28 inward corners, drawing 30 h. work

RS11

Description