Both of the movements feature Rolex's newer Parachrom hairsprings and have a power reserve of about two days when fully wound. Rolex replica watches sale also has the majority of their watches (including all Rolex Submariner models) COSC Chronometer certified. The 3135 and 3130 are about as good as can be hoped for from relatively basic three-hand automatic movements. No one per se buys a Rolex replica watches sale for the movement, but at the same time, the movements don't really leave much to be desired given the price and intended use. They are durable and mechanically sound - enough said. Rolex replica watches sale claims to have invented the water-tight watch case with the Oyster. True enough, they did produce the first commercially noteworthy water resistant watch with the Oyster. For that reason you see the "Oyster" label on a lot of Rolex replica watches sale products, even though there isn't a Rolex swiss replica watches called the Oyster these days.