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Movement tier: unclassified
Versatile size: fits most wrists (6–7.5 in / 15–19 cm)
38.5 mm case. The sweet spot for the broadest range of wrist sizes. Neither too dainty nor too bold.
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Authentication
Seven-day power reserve indicator and SXH3 calibre signing authenticate the Czapek Quai des Bergues
Known issues in the market
- Czapek is a recently-revived brand with limited counterfeit history, but the name and prestige attract misrepresentation
- Power reserve indicator must span 7 days; verify by running down and measuring
- SXH3 calibre was developed by Agenhor specifically for Czapek; verify movement signing
| Area | What to check | What is correct | Red flag |
|---|---|---|---|
| dial | 7-day power reserve indicator and signing | Power reserve scale graduated to 7 days; "Czapek" and "Quai des Bergues" or "Genève" signing; sub-dial layout per documented variant | Power reserve scale less than 7 days; missing "Czapek" signing; layout inconsistent with documented QdB variants |
| movement | SXH3 calibre by Agenhor | "SXH3" engraved; manual-wind movement (no rotor); 7-day mainspring barrel; movement visible through exhibition caseback fully decorated; "Czapek Genève" or Agenhor signing per production batch | Rotor present on manual-wind variant; incorrect calibre designation; movement undecorated; power reserve does not run 7 days when tested |
| case | Cushion-shaped QdB case | Square cushion case with rounded corners; 38mm or documented variant diameter; crown at 3; exhibition caseback | Round or rectangular case; crown position incorrect; case diameter inconsistent with documented QdB variants |
Common legitimate replacements
- Original strap is typically leather with Czapek deployment clasp; aftermarket straps are common on secondary market.
- Manual-wind crown should wind smoothly through all positions; slippage indicates mainspring or winding mechanism wear.
Expert resources: Czapek Genève directly for serial verification; they maintain records of all production. Monochrome Watches and Fratello have documented the SXH3 calibre in detail.
Authentication guide
Last reviewed June 2026
The Quai des Bergues is Czapek's dress watch, drawing on the brand's 19th-century heritage. Cal. SXH3 is a manual-wind caliber with a 7-day power reserve indicated by a sector arc at 6. The case is available in precious metals only -- no steel variant for this model.
Sources: Czapek official: Quai des Bergues.





