Put a Syriac numeral on a watch dial and the first thing you discover is that it was never meant to go there.
The script was made for parchment and paper. It is read close up, written by hand, at a size where the eye has time to work out an ambiguous shape from context. A dial gives you none of that. You get a circle of roughly thirty millimetres, twelve fixed positions, a glance of maybe half a second, and quite often bad light. Letterforms that look elegant in a manuscript turn into smudges under those conditions.
What had to change
Three things, mostly.
Stroke weight came first. A hairline that reads fine on a page disappears at dial scale, especially in a printed layer measured in microns. Every stroke had to be thickened, but not uniformly: thicken everything by the same amount and the numerals lose their character and start to look like a generic font.
Then the counters, the enclosed white spaces inside a letterform. At small sizes ink and print tolerance conspire to fill them in, and a numeral with a closed counter reads as a blob. Opening them up meant redrawing shapes that have looked a particular way for a very long time, which is the part that took the arguing.
Third, optical balance. Numerals on a dial are not the same size mathematically. They are the same size to the eye, which is a different thing, and it changes for every position on the circle. A numeral at the bottom of the dial sits next to the date window and reads differently from the same numeral at three o'clock.
Why nobody had done it
Watch dials are one of the most conservative surfaces in industrial design. In two centuries of production watches you get Arabic numerals, Roman numerals, applied indices, and in a small number of cases Eastern Arabic numerals for the Gulf market. That is close to the whole history.
The reason is economics. A dial in a script that a few hundred thousand people read worldwide is not a business case for a large manufacturer. It is only a business case if you are already building in series of fifty rather than fifty thousand, and if the script means something to you.
What it is worth
Two different things to two different people, and both are fine.
To a collector it is a first. Collectors buy first examples, and there is genuinely no other production watch with a Syriac dial that we know of. If you find one, write to us and we will correct the claim.
To Suryoye, Assyrians, Arameans and Chaldeans it is something harder to put a number on. A script that mostly survives in churches, liturgy and family names, worn on a wrist, in public, on an object built to last thirty years.
You can see how the numerals came out on the Severius Sport Elegance.

