The lubricants are modern synthetics and thanks to the advent of modern multi-axis computer-controlled machine tools the watch
link in question is going to be exactly like its siblings which can number in the hundreds of thousands
link with no more to tell them apart than one Clone Trooper from another. I hasten to add that this is a good thing and a long-sought goal of horology inconsistency in production is
link a gremlin to be rooted out and exterminated by any means necessary.
link