Vintage Genuine Rolex 3135 complete movement & start to tick when I rewind the mainspring. Need to be overhauled & timed by a watchmaker(I have no clue when it was serviced)...Balance wheel in good order... Setting & quick set functional still in good shape, with hacking second & chronometer grade. Keep time face up & down as pictured with a basic timing machine. Perfect solution if you are watchmaker and need to restore a customer watch with genuine parts. Very light spots of oxidation on the oscillating weight, steel crown(6 mm) is worn... (not tested for water resistance) No box, papers etc. The item "Rolex Watch Movement 3135 hack second for project or parts keep time" is in sale since Friday, October 29, 2021. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Parts, Tools & Guides\Parts\Movements".antictac" and is located in Miami, Florida. This item can be shipped to United States, Canada.