The movement looks fine and never poorly serviced. It also needs a case back gasket that was hard and crumbled. Getting harder to find these that haven't been messed with. The item "Vintage Stainless Steel Omega Constellation cal 505 Pie Pan 2852 8 SC" is in sale since Monday, October 5, 2020.This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Watches\Wristwatches". The seller is "rogfntm" and is located in Bellevue, Washington. This item can be shipped worldwide.