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Rolex DATEJUST Oyster, 31 mm, Oystersteel and Everose gold M278241-0009
The difference between Swiss grade and Asian grade watches lies in the material of the case used as well as the movement. Asian grade watches use 316L steel while Swiss grade watches are made with 904L steel which is more durable and rust and corrosion resistant. Swiss grade watches are made with replica machinery to match Swiss technology and standards so higher precision and finishing can be expected.
REFERENCE
278241
MODEL CASE
Oyster, 31 mm, Oystersteel and Everose gold
BEZEL
Domed
WATER RESISTANCE
Waterproof to 100 metres / 330 feet
MOVEMENT
Perpetual, mechanical, self-winding
CALIBRE
2236, Manufacture Rolex
POWER RESERVE
Approximately 55 hours
BRACELET
Oyster, three-piece solid links
DIAL
Rosé-colour
CERTIFICATION
Superlative Chronometer (COSC + Rolex certification after casing)
ROSÉ-COLOUR DIAL
The sunray finish creates delicate light reflections on many dials in the Oyster Perpetual collection. It is obtained using masterful brushing techniques that create grooves running outwards from the centre of the dial. Light is diffused consistently along each engraving, creating a characteristic subtle glow that moves depending on the position of the wrist. Once the sunray finish has been completed, the dial colour is applied using Physical Vapour Deposition or electroplating. A light coat of varnish gives the dial its final look.
EVEROSE ROLESOR
Gold is coveted for its lustre and nobility. Steel reinforces strength and reliability. Together, they harmoniously combine the best of their properties. A true Rolex signature, Rolesor has featured on Rolex models since the early 1930s, and was trademarked as a name in 1933. It is one of the prominent pillars of the Oyster collection.
THE OYSTER BRACELET
The Oyster bracelet is a perfect alchemy of form and function, aesthetics and technology, designed to be both robust and comfortable. It is equipped with an Oysterclasp and the Easylink comfort extension link, also exclusive to Rolex. This ingenious system allows the wearer to increase the bracelet length by approximately 5 mm, providing additional comfort in any circumstance.