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Grönefeld

1941 REMONTOIRE CONSTANT FORCE RG

$58,150

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The Grönefeld 1941 Remontoire features an eight seconds constant force mechanism, ensuring the force serving the balance wheel does not wane.

From the mainspring being fully wound to the last minute of the 35 hours of power reserve, when the stop works intervenes, the force never fluctuates. The result is that the amplitude and rate remain consistent, leading to superior precision.

The time-consuming creation of each movement means that production will be limited to only 188 Remontoire movements, each with its own unique serial number, offered in a choice of case material and dial variants.

After the launch in 2016 the 1941 Remontoire has been awarded 5 times! In November 2016 Grönefeld won again the prestigious Grand Prix d'Horlogerie de Genève award. This time the prize they’ve won was for the best watch in the “Mens Watch” category.

Movement

Movement dimensions Diameter: 32,0 mm
Thickness: 5,5 mm
Number of parts 258 parts
Power reserve 35 hours with constant force (stop system)
Number of jewels 36 jewels, partially set in solid gold chatons
Remontoire To optimize time keeping a small hairspring is wound every 8 seconds to guarantee a constant force for the escapement. A complex satellite gearing mechanism with hypocycloidal gears, twin ball bearings, pinions and jewelled levers, achieve this.
Balance wheel Variable-inertia balance wheel with four white gold timing screws (diameter 10 mm)
Frequency 21.600 vibrations/hour
Balance spring Free sprung with Phillips terminal over coil curve with triangle hairspring stud
Escapement Jewelled Swiss lever
Main Plate Spotted and ruthenium electroplated brass main plate
Bridges Stainless steel, bevels polished by hand, micro-blasted centre
Circular grain on the top to highlight the bridges shapes and engravings
Relief engraved Grönefeld logo, number of jewels and eight seconds remontoire
Hacking seconds In setting mode the hacking seconds mechanism will be activated
Displays Central Hours and Minutes 
Small Seconds at 6 o’clock
Governor speed regulator at 9 o’clock

Case and dial

Number of components 66 parts
Case dimensions Diameter: 39,5 mm
Thickness: 10,5 mm
Water resistance 3 atmospheres – 30 meters – 100 feet
Crown White gold Au750/Pd150 (Non Rhodium plated) / Red gold Au750 5N engraved with logo
Dial Sterling Silver 925, frosted and satin-grained surfaces
Hands Extended Lancette hands. Flame-blued steel and mirror polished centres. Small poised seconds hand
Strap Hand-sewn aligator leather
Buckle Pin buckle made in Red Gold Au750 5N, White Gold Au750/Pd210 (non rhodium plated) or Stainless Steel 916L engraved with Grönefeld
Total weight Stainless Steel 74 Grams
Red Gold 97 Grams
White Gold 97 Grams