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Top-tier supplier movement
Large case: suits wrists 7 in+ (18 cm+)
44 mm case. A bold, statement-size wear. Best suited to larger wrists where the case sits flush.
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Authentication
The dive bezel must rotate counterclockwise only with a firm ratchet at each minute mark; any bezel that slips or rotates clockwise is a safety fault.
Known issues in the market
- The dive bezel ratchet must be firm at each minute mark; a slipping ratchet is a safety issue for a dive watch.
- The ETA 7750 in a 300m dive case; verify case gasket condition if the watch has been heavily used.
| Area | What to check | What is correct | Red flag |
|---|---|---|---|
| case | Dive bezel unidirectional rotation | Rotates counterclockwise only; does not rotate clockwise | Bezel rotates clockwise; ratchet worn or non-genuine |
| case | Dive bezel ratchet firmness at each minute mark | Firm, positive ratchet click at each minute mark; does not slip | Ratchet slips between minute marks; worn or faulty ratchet mechanism |
| movement | ETA 7750 architecture through caseback | ETA 7750 architecture with column-wheel modification visible | Non-ETA 7750 architecture; movement discrepancy |
| caseback | Universal Geneve serial and reference | UG serial and reference correctly engraved | Missing or incorrect engravings; non-genuine caseback |
Common legitimate replacements
- Case gaskets; replace after each dive use or every 2 years.
- Crown; Universal Geneve OEM only.
Expert resources: Universal Geneve authorized service; pressure-test before any dive use.
Authentication guide
Last reviewed June 2026
The UG Diver Chronograph modern reissue revives the brand under current ownership with contemporary specifications. Unlike vintage UG, this is a current production piece; authentication centers on confirming it is a genuine factory piece rather than a vintage example.
Sources: Universal Genève official site.





