Atelier Pieters
Atelier 1 Founders’ Series Jour
Atelier 1 Founders’ Series Jour
The platinum Jour pairs a rose-gold-toned face with a hand-finished tourbillon movement and dual reserve indications.

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Specifications
| Variant | Atelier 1 Founders’ Series Jour |
|---|---|
| Movement | manual |
| Calibre | T2-03RM manual-wind tourbillon |
| Diameter | 43.5 mm |
| Power reserve | 50 hours |
| Water resistance | 30 m |
Omitted specifications have not been confirmed. From published article 2026-11-02. Original source ↗
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Atelier Pieters Atelier 1 Jour puts a second power-reserve display behind a quiet dial ↗