I don't use watch oils, because (1) they can be quite expensive (2) they often have expiry dates and (3) I have no idea how similar they might be to the original factory lubricants.
I use these:
https://www.esslinger.com/neoval-rubin-g-8-swiss-high-tech-oil/
How it compares to other people's choices, I have no idea. Relatively cheap, seems stable, and for camera and clock repair, it's a generous supply.
Another favorite is
Molykote G-N, particularly for metal-on-metal, where there might be a good deal of pressure at the point of contact. But sometimes also a lifesaver as a dilute wash, sometimes mixed with aforementioned Neoval Rubin G8. Cool thing about Molykote is that even if the carrier oil dries out, the molybdenum and graphite continue to provide lubrication. Have discovered that dilute washes of the stuff can work surprisingly well in applications where I would normally not expect it, like speed escapements and self-timers. And when properly applied, the assembly might not appear to be lubricated at all. A single small tube might last for decades.
Clear polyethylene grease (hardware store). Sometimes Molykote alone does not give me the smoothest possible feel in applications like film advance mechanisms, and that's where the clear grease comes in. Was amazed to discover that Kiev 88/Salyut wind action can in fact feel buttery-smooth.
Japan Hobby Tool lens helicoid grease: They offer several viscosities, and I've used #30 with some success, but it's quite light, does seem to separate, and I'm not 100% sold on it yet. In some instances, the aforementioned polyethylene grease seemed to work better, else I needed to add a small amount of Molykote for smoothest action.
Random factoid: I had a sewing machine specialist warn me that if I had Singer sewing machine oil in the green and white can, I should throw it away. I don't recall the explanation, but his recommended replacement was a water-clear oil, not amber colored. I previously used the older oil on my mom's grandfather clock, and recall needing to redo it every year or so, so maybe it was simply past it's sell-by date.