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Ferdinand Berthoud

Ferdinand Berthoud Naissance d'une Montre 3 FB 4BTC.1

The Ferdinand Berthoud Naissance d'une Montre 3 (reference FB 4BTC.1) is a 44.3 mm 18k ethical white gold watch. It is water resistant to 30 m. It was introduced in 2025.

Specifications

Case

Reference
FB 4BTC.1
Collection
Chronomètre
Case size
44.3 mm
Thickness
13 mm
Case material
18k ethical white gold
Case shape
Round
Water resistance
30 m
Bracelet / strap
Hand-stitched alligator leather, white gold pin buckle

Movement

Movement
Manual
Power reserve
50 hours
Frequency
21,600 vph
Functions
Hours, minutes, central seconds, power reserve indicator, Fusee-and-chain, COSC chronometer

Production

Production
2025 – today (limited)
Limited edition
10 pieces

Dial versions

This reference was made with these dials and finishes.

  • FB 4BTC.1

    Skeletonised

About the Chronomètre family

This entry covers Ferdinand Berthoud's Naissance d'une Montre 3, a hand-made project in white gold limited to 10 pieces, with a fusée-and-chain and chronometer certification. Dealers check the number and certificate.

Quick answers

What size is the Ferdinand Berthoud Naissance d'une Montre 3 FB 4BTC.1?
The Ferdinand Berthoud Naissance d'une Montre 3 FB 4BTC.1 has a 44.3 mm case, 13 mm thick.
How water resistant is the Ferdinand Berthoud Naissance d'une Montre 3 FB 4BTC.1?
It is water resistant to 30 metres.
Is the Ferdinand Berthoud Naissance d'une Montre 3 FB 4BTC.1 still in production?
Limited.
When did the Ferdinand Berthoud Naissance d'une Montre 3 FB 4BTC.1 come out?
It was introduced in 2025.
What is the Ferdinand Berthoud Naissance d'une Montre 3 FB 4BTC.1 made of?
The case is 18k ethical white gold. Bracelet or strap: Hand-stitched alligator leather, white gold pin buckle.

Catalog facts checked November 2026.