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This video unpacks, demonstrates and reviews the Bergeon 7718-1A automatic oiler. The oiler is used to oil cap jewels of watch movements which can a bit tricky and require quite a bit of practice using a conventional oiler. The automatic oiler makes this procedure a lot more convenient and exact. With the automatic oiler the spot of oil on the cap jewel is placed dead centre, is perfectly round, and (given that the oiler has been adjusted using the eccentric screw) covers the desired 50 to 70 % of the cap jewel surface.