just to see if he keeps records of the builds.
HDS does not keep a record of the serial numbers on the bezels.. they have no inventory meaning because bezels and reflectors are parts that people change.
afaik, the serial numbers are not catalogued by HDS
you could learn more about your light by reading some old links that come up from googling "HDS 120 Executive"
Here is the official HDS page with info on history of models
Legacy EDC Executive Flashlight, EDC LE, EDC Rotary and EDC Tactical Flashlight, Everyday Carry Flashlight, EDC Flashlight
www.hdssystems.com
and the manuals...
here is a sales link, that tells the modes that light comes preprogrammed to:
The EDC High CRI 120 lumens flashlight (EDC-E1S-Hcri) is a high color rendering model for medical and science applications requiring accurate color differentiation. Plant, earth and skin colors take on a natural look, instead of the typical pale appearance. The special LEDs used in this...
goinggear.com
and a video, for your entertainment while you wait for your light to arrive