GM legends. My grandson showed me how to type on this typewriter screen thing. Just picked up a beauty of an 1880s Seth Thomas wall clock at a estate sale. The ticks on this bad boy are pure fire and going straight to the moon. Quick question for the real OG hodlers of mechanical gears... what synthetic oil are we slinging on these mainsprings nowadays to maximize longevity? Want to make sure this baby stays ticking till 2099. We are so early on vintage brass fellas.