Short answer
Jaeger-LeCoultre made the AMVOX1. There is no brand called Amvox. The watch arrived in 2005 with the Aston Martin partnership. No AMVOX1 sold for a few hundred dollars is real. A replica hides one of four faults: a dead alarm, a steel case, a printed dial, or a blank caseback. Check those four points in that order.
What the reference watch is
Data comes from the Jaeger-LeCoultre catalogue and from auction records.
- Launch year: 2005, the first AMVOX model.
- Case: titanium, about 44 mm across, with the Master Compressor crown system.
- Movement: automatic calibre 918, an alarm movement with a hammer and gong.
- Dial: Aston Martin name, JLC logo, alarm indicator, date.
- Later model: the AMVOX2 arrived in 2007 and moved the chronograph to a vertical trigger in the crystal.
Test 1: the alarm
The AMVOX1 is an alarm watch. An alarm calibre costs more to build than a three-hand movement. Cheap replicas skip the alarm and glue a decorative disc to the dial. Pull the crown to the alarm position, set the alarm hand to the current time, and wait. A real watch vibrates and rings. A fake does nothing.
Test 2: the case metal
Titanium has a density near 4.5 g/cm3. Steel sits near 7.8 g/cm3. Same size case, less weight. Fakes use steel with a grey coating. Plating wears at the lugs and the caseback rim and shows bright steel underneath. Titanium holds less chill than steel and shows a duller grey.
Test 3: the dial and crystal
Look at the print under a loupe. Sharp edges, correct font weight, even spacing. Fakes show thick paint, a fat logo, and a date window in the wrong spot. Crystal material is the second check. Sapphire rates 9 on the Mohs scale. Mineral glass rates about 5 to 6. A mineral crystal shows scratches after months of desk wear. Sapphire does not.
Test 4: caseback, serial, papers
Real engraving cuts clean metal. Laser etching on a fake looks shallow and grey. The reference number and serial must match the warranty card and the AMVOX1 catalogue entry. Replica runs reuse one serial across many units, so two listings with the same number point to the same fake batch.
Price signal
Pre-owned AMVOX1 listings sit in the thousands of USD. Titanium examples sit lower than rose gold examples. If the asking price is under about $800, the seller is not selling a titanium case, a sapphire crystal and a working alarm movement.
What photos cannot prove
Alarm function, calibre, and crystal material. Ask for a photo of the movement with the caseback off, or meet at a watchmaker. A bench check of the calibre stamp and the alarm hammer settles the question in minutes.