Kaliber Felsa 4017 Vorderseite
Kaliber Felsa 4017-Rückseite

Caliber Felsa-4017 Historical movement with NFT

Year of manufacture of movement: 1962
Complete service and revision
Tokenised and secured by blockchain
Quantity: 88 pieces

This series is sold out.

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Rediscover Swiss watchmaking history

The historic Felsa 4017 hand-wound movement, dating from 1962, showcases traditional Swiss watchmaking craftsmanship and timeless technology.

With a central seconds hand and date display, this original calibre hails from the renowned Felsa manufacture in Grenchen. The workshop's innovations, spearheaded by engineer Friedrich Meyer, have had a lasting impact on the modern wristwatch.

The movement is limited to 88 pieces and will in future tick away in the DBF011 – our anniversary watch marking 275 years of watchmaking by DuBois et fils.

TECHNICAL DETAILS

  • Hand-wound movement
  • Manufacturer: Felsa SA
  • Year of manufacture: 1962
  • Complete service and revision
  • Manual windingCaliber, central second and date display
  • Date between 4-5 o'clock
  • Caliber: 11.5'''
  • Diameter: 25.6mm
  • Height: 3.6mm
  • 17 jewels
  • Frequency: 18000 A/h
  • Power reserve: 42 hours

Blued screws

 

A particular highlight of this movement is its hand-blued screws. This traditional technique is used in classical watchmaking to heat the screws to around 300 °C with precision, achieving their characteristic deep blue colour.

Today, only a handful of watchmakers still possess the skills required for this intricate craft. At the DuBois et fils workshop, this historic technique is being deliberately revived: each screw is carefully blued by hand by our watchmaker, lending the movement its unique, traditional character.

Kaliber Felsa 4017 Vorderseite

PREVIOUS MOVEMENTS WITH NFT

Since summer 2021, DuBois et fils has been launching tokenised movements.