1945, with the globe prosperity, Rolex launches it Datejust. The first Datejust is waterproof, and has a streamline look. What's more, you can see that date aperture on the dial. Years later, the crystal has Cyclops eye, which is an obvious mark on Rolex. Datejust, with is graceful small date aperture, becomes the most recognizable watches. The reason that we think Datejust is an representative watch is that it is made of 904L steel and 18 ct yellow gold. A medium size as 36 mm, Datejust has simple three hands on the dial. On the sapphire mirror set a date aperture that could magnifying for 2.5 times. Bezel is fluted. All those classic deign is passed down to now. Oyster case and its performance is the key. Outside the bezel, diamonds are set around the bezel, which is luxury enough. Twinlock double waterproof system provide a good water-resistance that is water-proof to 100 meters. The crown is wrapped with yellow gold, indicating Rolex dedication on details.
From the other side of the profile, this watch is rather thin and is comfortable and flexible. Rolex Oyster buckle has Rolex crown on it, and the new buckle is a folding buckle that connects bracelet. lug is a little short, to better match bracelet. Golden Jubilee has 10 top diamonds as the time indexes and corresponds to the date aperture at 3 o'clock and crown at 12 o'clock.
What's more, Datejust has an screw-down case back and is equipped with a powerful Cal.3135 movement, which is also known as the King of Automatic Movement. It has amazing stability and the movement diameter reaches 28.5 mm. It works at a frequency of 28800 times per hour. 31 rubies is applied as supporter on the movement. When comes to the energy reserve, Rolex Datejust can last for 50 hours. Instantaneous date, Glucydur balance wheel, Breguet hairspring, and kif shock absorber, all those features speaks for its excellent performance.
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