This entry records that the reference exists. Its specifications have not been researched, and nothing here should be relied on for authentication until they are.
Jacques Bianchi Marseille · JB300
JB300
Ref. JB300 (1990s, claimed)
Also written: JB300, JB 300
Reference photography not yet on file
A 1990s JB300 (ETA 2824, 300m, reportedly ~1,000 pieces for French Army combat divers) is claimed by the brand and repeated in editorial coverage, but no independent source, contract or issue record documents it. Recorded as a placeholder pending archival evidence; do not present as established.
Some specifications for this reference require verification against manufacturer documentation.
At a glance
- Brand
- Jacques Bianchi Marseille
- Collection
- JB300
- Reference
- JB300 (1990s, claimed)
- Production
- Claimed 1990s military diver (unverified)
- Caliber
- ETA 2824 (claimed)
Related references
Reference family timeline
Every generation in this lineage in production order. Spans are as documented; an open end means the reference is current or its end year is not established.
- JB300 (1990s, claimed)
JB300 · ETA 2824 (claimed)
—This reference - 2023–
- 2024