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For the moment we can’t take new orders until further notice. We are now processing the overwhelming amount of reservations we’ve received after the launch of our 1941 Grönograaf on July 6 2022. Thank you for your patience and understanding.

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1941 Grönograaf
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A chronograph with a worlds first "slow reset"

description movement specifications
1941 Grönograaf<br>Stainless Steel<br>Limited edition of 188 pieces<br> front
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1941 Grönograaf
Stainless Steel
Limited edition of 188 pieces

TEMPORARY ORDER STOP

While Grönefeld produced a number of different watches endowed with a variety of complications, it had never made a chronograph… until now.

The 1941 Grönograaf is the latest creation to be conceived in Oldenzaal. It is a classical chronograph, but consistent with the Grönefeld ethos, it incorporates several ingenious details.

Grönefeld will release 188 pieces in stainless steel and 25 pieces in tantalum.

This 1941 Grönograaf is the distillation of three generations of watchmaking know-how, of the professional journeys of both Horological Brothers and the manifestation of their extraordinary passion for horology.

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Stainless Steel € 155,000.00

MAKE IT YOUR OWN

Stainless steel CASE & DIAL

Green-Blue Python STRAP

Your Grönograaf

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Strap
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A PURIST'S MOVEMENT

Unlike mass-produced cam-actuated chronographs, the 1941 Grönograaf features a classical configuration, namely a column-wheel and lateral coupling, a combination synonymous with high-end watchmaking. The calibre G-04 is a symphony of 408 parts and a wonderful exemplar of no-compromise watchmaking.

Mindful that chronograph movements are often subject to harsh forces that can sometimes scar hammers and bend hands, The Horological Brothers conceived a less aggressive system, a ‘soft reset’ mechanism. A centrifugal governor, positioned at 4 o’clock, typically seen on minute repeaters, slows down the reset function, thereby proving kinder to components while delivering a fascinating spectacle in the process. The governor includes two solid gold weights.

Depending on the position of the heart-shaped cams for the counter hands, the relevant minutes and seconds hands rotate clockwise or counter clockwise, heightening the sense of mechanical theatre. The 30-minute counter, located at 6 o’clock, features an ‘instantaneous jumping minutes’.

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A PURIST'S MOVEMENT

Technical specifications

Movement

Calibre G-04
Movement dimensions Diameter: 32,0 mm
Thickness: 6,15 mm
Number of parts 408 parts
Power reserve 53 hours
Number of jewels 45 jewels, partially set in solid gold chatons
Chronograph Column wheel, instantaneous jumping minutes and a soft reset mechanism
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 Geneva style 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 and the number of jewels
Governor Governor Speed Regulator at 3 o’clock

Case and dial

Case dimensions Diameter: 40,0 mm
Thickness: 11,3 mm
Water resistance 3 atmospheres – 30 meters – 100 feet
Material Stainless Steel, limited Edition of 188 pieces
Crown Stainless Steel, engraved with The Horological Brothers logo
Dial Stainless steel base with rhodium plated sub-dials and elements, frosted and satin-grained surfaces.
Decentral hours and minutes at 1 o’clock.
Subdial for seconds at 9 o’clock.
Power Reserve indicator at 11 o’clock.
Large central seconds counter.
30 minutes counter at 6 o’clock.
Visible “return to zero” speed regulator at 3 o’clock
Hands Extended Lancette hands for hours and minutes. Poised Breguet style chronograph hands. Flame-blued steel and mirror polished centres
Strap Buffalo leather.
20mm-18mm
Buckle Pin buckle made in Stainless Steel engraved with Grönefeld. 18mm
Crystals Domed sapphire crystal on the front with hard anti-reflective coating on both sides
Flat sapphire crystal on the back with hard anti-reflective coating on both sides
Number of components Case: 36 parts
Dial/hands: 40 parts
Total weight Stainless Steel 85 Grams

Other models

 
1941 Grönograaf<br>Tantalum<br>sold out 1941 Grönograaf
Tantalum
sold out

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Bart
Making the best watches in the world. We love every aspect of it. Coming up with new ideas together, bringing them to life in a design that captures the imagination, working with infinite patience to achieve perfection: it is a blessing to be able to work together every day with so much pleasure.

Handtekeningen
Tim
BartTim
Making the best watches in the world. We love every aspect of it. Coming up with new ideas together, bringing them to life in a design that captures the imagination, working with infinite patience to achieve perfection: it is a blessing to be able to work together every day with so much pleasure.
Handtekeningen