Here's what you need to know Here's how This is my hobby since 40 years ago and we do have watchmaker to help check authentic and service.
Omega movement part 481
Omega Movement & Dial Automatic Date Cal.1012 Swiss Made Genuine ! Running!
Omega Movement Automatic Cal.1012 Swiss Made Genuine ! Running
Omega Movement 33.5l Pocket watch Dial Porcelain Balance Ok X Parts
New Old Stock Omega Movement/Case Screws - See Dropdown List - Price Per Screw
For NH05B Automatic Mechanical Movement Original Watch Movement Part Accessories