Bring a Loupe: An Omega Speedmaster Professional Prototype, A Rolex Submariner Ref. 5512, And A Patek Philippe Amagnetic Ref. 3418 We’re back with your weekly dose of vintage watch finds from around the web.Continue reading ‘Bring a Loupe: An Omega Speedmaster Professional Prototype, A Rolex Submariner Ref. 5512, And A Patek Philippe Amagnetic Ref. 3418’ Posted In: Uncategorized