Arnold & Son
Arnold & Son Constant Force Tourbillon 11 Platinum 1FCBX.Z01A.C0232X
The Arnold & Son Constant Force Tourbillon 11 Platinum (reference 1FCBX.Z01A.C0232X) is a 41.5 mm platinum 950 watch with a midnight blue / white opal dial. It runs on the manual caliber A&S5219 with a 100-hour power reserve and is water resistant to 30 m. It was introduced in 2025.
Specifications
Case
- Reference
- 1FCBX.Z01A.C0232X
- Collection
- Constant Force
- Case size
- 41.5 mm
- Thickness
- 13.7 mm
- Case material
- Platinum 950
- Case shape
- Round
- Crystal
- Domed sapphire, AR both sides; sapphire caseback
- Water resistance
- 30 m
- Bracelet / strap
- Midnight blue alligator, platinum folding clasp
Dial and bezel
- Dial
- Midnight blue / white opal
Movement
- Movement
- Manual
- Caliber
- A&S5219
- Power reserve
- 100 hours
- Frequency
- 21,600 vph
- Jewels
- 35
- Functions
- Tourbillon, Constant force, Dead-beat seconds
Production
- Production
- 2025 – today
- Limited edition
- 11 pieces
Dial versions
This reference was made with these dials and finishes.
1FCBX.Z01A.C0232X Midnight blue / white opal
Solid gold hand-engraved tremble guilloche, white opal hours/minutes subdial
About the Constant Force family
The Constant Force Tourbillon combines a one-minute tourbillon with a constant-force mechanism and dead-beat seconds, laid out symmetrically on the dial.
The catalog lists the Constant Force Tourbillon 11 in platinum, limited to 11 pieces, launched in 2025 and nominated in the Tourbillon category of the 2026 Grand Prix d'Horlogerie de Genève. Dealers check the number in the series against the papers.
Quick answers
- What size is the Arnold & Son Constant Force Tourbillon 11 Platinum 1FCBX.Z01A.C0232X?
- The Arnold & Son Constant Force Tourbillon 11 Platinum 1FCBX.Z01A.C0232X has a 41.5 mm case, 13.7 mm thick.
- What movement does the Arnold & Son Constant Force Tourbillon 11 Platinum 1FCBX.Z01A.C0232X use?
- It uses the manual caliber A&S5219, with a 100-hour power reserve.
- How water resistant is the Arnold & Son Constant Force Tourbillon 11 Platinum 1FCBX.Z01A.C0232X?
- It is water resistant to 30 metres.
- When did the Arnold & Son Constant Force Tourbillon 11 Platinum 1FCBX.Z01A.C0232X come out?
- It was introduced in 2025.
- What is the Arnold & Son Constant Force Tourbillon 11 Platinum 1FCBX.Z01A.C0232X made of?
- The case is platinum 950. Bracelet or strap: Midnight blue alligator, platinum folding clasp.
Catalog facts checked November 2026.