Do
It is ideal for showing the watch from different angles.
The right solution is to use a monochromatic background. A light "backdrop" would be the best, without shades, gradation, and visible texture. Matte is better than glossy: it minimizes your reflections on the polished surface of the metal case and the glass-covered dial.
You can remove the undesired background using various photo editing programs like clippingmagic.com or others.