Model : 278278 Dark Grey Diamond President

Tình trạng : Sắp về

Thương hiệu : Rolex

Bảo hành : 5 năm

LIÊN HỆ NHẬN BÁO GIÁ

THÔNG SỐ KỸ THUẬT

Case Shape Round
Case Dimensions 31mm
Case Material 18kt Yellow Gold
Dial Color Grey
Crystal Scratch Resistant Sapphire
Bezel Fixed
Screw-in Crown Yes
Water Resistance
No ratingDoes not allow contact with water
30m/99ft - 50m/165ftAllows for contact with water such as washing hands and rain
50m/165ft - 100m/330ftAllows for light poolside swimming
100m/330ft - 200m/660ftAllows for swimming, snorkeling and showering (do not expose to hot water)
200m/660ft - 500m/1650ftAllows for impact water sports such as board diving and scuba diving
500m/1650ft +Appropriate for serious deep water diving.

Learn more about Water Resistance.

Close
 100m/330ft
Case Back Solid
Band Material 18kt Yellow Gold
Color/Finish Brushed & Polished
Band Name Rolex President
Clasp Rolex Concealed Folding Crownclasp
Movement Automatic
An automatic/self-winding movement is powered by a thin spiral torsion spring, called the mainspring, which is housed in an enclosed barrel inside the movement. The energy produced from the wound spring drives the movement functions. An automatic watch has a weighted rotor mounted on a pivot to the back of the movement, and the rotor is connect to the mainspring through a series of gears. The natural motion of the wearers wrist will cause the rotor to spin, which in turn will automatically wind the mainspring.

Please note: An automatic winding watch which has completely wound-down or is at the end of its power reserve requires manual winding. Manually winding an automatic watch ensures that the watch is at full power-reserve when first worn, and as long as the watch is in motion thereafter it will remain fully wound, ensuring that when the watch is removed it will run the specificed power-reserve duration. Close

GIỚI THIỆU

  • Polished 18kt yellow gold case.
  • Polished 18kt yellow gold Twinlock crown.
  • Polished 18kt yellow gold fluted bezel.
  • Dark grey dial.
  • 10 Diamond hour markers.
  • Polished 18kt yellow gold hands.
  • Date window displayed at the 3 o'clock position with a cyclops magnifying lens.
  • Rolex in-house caliber 2236, beats at 28,800 vph, contains 31 jewels & has an approximate power reserve of 55 hours. The movement features a Syloxi hairspring in silicon & high-performance Paraflex shock absorbers.
  • The watch is Superlative Chronometer certified: the movement is COSC certified prior to casing, then it is tested a second time by Rolex after being cased to ensure accuracy.

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