Liquid Bearings, The BEST 100%-synthetic oil for all Watches, Provides Superior Lubrication, Also Inhibits Corrosion! 100%-synthetic lubricant, perfect for all watch uses! Immediately begins to displace old petro-oils or sprays. Excellent corrosion prevention for any metal surfaces. Essentially odor-free, a pleasure to use! Plastic-safe for all plastics and painted surfaces!