US import tariffs: Non-US origin lots in this sale (including watches and timepieces with Swiss-made or non-US made movements) will be subject to special tariffs upon import to the USA, currently ranging from 10% to 39% on the total invoice price (hammer price plus buyer’s premium). Buyers are responsible for paying any applicable tariffs, duties, taxes and charges when importing their purchased lots. Due to the evolving nature of international trade regulations, we recommend clients consult with their local customs office or advisor for up-to-date information on the applicable tariffs.
No Reserve

6

Ferdinand Berthoud

Naissance d'Une Montre 3 "Pièce Unique"

A unique and handmade stainless steel wristwatch with constant force chain-fusée mechanism, bi-metallic Guillaume balance with proceeds going to charity

CHF400,000 - 800,000•︎
€432,000 - 863,000
$502,000 - 1,000,000
CHF1,270,000
Lot Details
Ferdinand Berthoud
2025
Caseback engraved Piece Unique
Naissance d'Une Montre 3 "Pièce Unique"
Stainless steel
Manual, cal. F B - B T C . F C, 37 jewels
Leather
Stainless steel Ferdinand Berthoud pin buckle
44mm diameter
Case, movement and clasp signed
Accompanied by a Ferdinand Berthoud fitted box in the form of two tome leather book with one tome for the watch and the guarantee and the other with a travel pouch, loupe, polishing cloth, gloves and a large model of the chain for the fusée and outer packaging.

Further Details

Ferdinand Berthoud

Browse Maker