Rolex Sea-Dweller collection has several good models all with strong waterproofness. The collection is a popular one in Rolex family. Rolex Sea-Dweller copy watches with black bezels are driven by Cal. 3135, self-winding mechanical movements with perpetual rotors. The Swiss movements have stable performances because of the paramagnetic blue Parachrom hairsprings. The COSC-certified movements can provide about 48-hour power to the practical functions.
The whole watch body is all made of 904L steel. The unidirectional rotating bezels are covered with black ceramic rings which have 60-minute graduated scales. The ceramic rings are solid to resist many scratches. The 44mm steel cases are equipped with helium escape valves. Then their case backs are made of 5-grade titanium. The timepieces have 5mm-thick sapphire glasses. So their cases are very solid to endure the water pressure of 3,900m deep.
Rolex replica watches with Swiss mechanical movements can be regarded as a professional instrument. There are also white luminescent designs applied to the hour markers and hands. Besides, there is a date aperture set at 3 o’clock. Many professional divers prefer to wear them during diving activities.