Atelier de Chronométrie AdC30 Only Watch

The Atelier de Chronométrie team presents the AdC30 Only Watch, a one-off timepiece specially created and donated for the Only Watch biennial charity auction 2023 for research into Duchenne muscular dystrophy. It is not part of any collection; it is an entirely unique example which we have specially designed and handcrafted for the auction.

The AdC30 Only Watch is a time only with sub-seconds encased in a 18k grey gold round case with stepped lugs, concave bezel and case back. The design is completed with a superb sandwich dial with 18k rose gold and blued steel leaf hands. This timepiece also comes with the new in-house calibre M284 with a special handmade frosting decoration different from the regular M284.

Honored to participate in the Only Watch charity auction for the second edition

Making unique timepieces is one of the main axes of the vision of Atelier de Chronométrie. We have always firmly defended the idea that every watch collector deserves a one-of-a-kind piece with its own unrepeatable story providing an unforgettable experience.

This time, having had the possibility to contribute with the creation of the AdC30 to a special event such as the Only Watch charity auction, has been a great honor for us. We all have put our heart and soul into making this unique timepiece a reality. This special project will remain in our memories forever.

A step forward with the AdC30 Only Watch: new calibre, new case, and new dial.

For this new Only Watch edition the AdC team wanted to take another step forward and the AdC30 is the result. It is a very special and unique timepiece which also comes with a new in-house calibre (M284), a case with an enhanced design and a dial handmade by the team in Barcelona for the first time.

True to this goal, the design of the handmade 18k grey gold case has been improved giving a larger stepped shape to the lugs. It is a delicate case that combines perfectly with a very original sandwich dial with a complex execution. The result is a noticeable exquisite look.

The calibre M284 is the new AdC’s in-house movement, with a special handmade frosting decoration different from the regular M284 version. Its timeless look is totally aligned with the brand DNA, evoking the past with an architecture inspired in the calibres from the 1940’s. A rich mixture of high-end traditional finishes such as handmade frosting, anglage, perlage, polished countersinks, straight graining, étirage des flancs, black polish and beveled screws make it unique.

Technical specifications

Atelier de Chronométrie AdC30 Only Watch

Reference: AdC30 Only Watch

Unique one-off piece for Only Watch 2023

Case

• Material: Handmade 18k grey gold
• Diameter: 37mm
• Thickness: 9.00mm
• Sapphire glass front and back
• Handmade 18k grey gold crown
• Water-resistant to 30 meters (3 ATM)

Dial and hands

• Sandwich dial with applied Arabic numerals and indexes and engine turned sub-seconds
• Handmade 18k rose gold leaf hands (minutes and hours) and blued steel seconds leaf hand

Movement

• Calibre M284
• Manual winding movement
• Number of jewels: 19
• Power reserve of 38 hours
• Frequency: 18'000 vph (2.5 Hz) 
• Bridges made of Arcap and rose gold plated
• Swan neck regulator
• Rhodium plated wheels
• Blued hairspring with Breguet over coil
• Finishes: handmade frosting, anglage, perlage, polished countersinks, straight graining, étirage des flancs, black polish and beveled screws
• Hand-engraving on the bridges with signature and number “30”

Functions/Indications

• Hours, minutes, small seconds

Strap and buckle

• 2 leather straps
• Handmade 18k grey gold buckle

Estimate

• CHF 50'000 – 70'000
• USD 55'000 – 77'000
• EUR 51'500 – 72'100

For more information, please visit onlywatch.com or atelierdechronometrie.com