Rolex 228206 Day Date Platinum Blue Dial Roman Numeral 40MM (30730)

30730 Rolex 228206 Day Date Platinum 40mm, platinum case with a platinum President bracelet, automatic Rolex caliber 3255 movement, quickset day and date function, 70-hour power reserve, COSC, ice blue glacier dial with quadrant motif and blue Roman numeral hour markers, sapphire crystal, screw down crown, size 40mm, like new with original box and papers dated 8/2017.


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More about Rolex 228206 Day Date Platinum Blue Dial Roman Numeral 40MM

This is a platinum Rolex Day-Date 40 President 228206. It has an integral platinum three-link Presidential bracelet with a folding concealed crown deployment clasp, and a scratch resistant sapphire crystal. It has a screw-down winding crown with the Twinlock double waterproofness system, and a solid polished screw-down case back. The 40mm diameter solid three-body case, gently angled lugs, bracelet, and flat angled bezel are polished/brushed. There is an ice blue glacier dial with a light quadrant motif, applied faceted blue Roman numberal hour markers, blue baton hands, and a blue center sweep second hand. Around the perimeter is a black railway-style minute/second scale, and there is an arched aperture window for the instantaneous day at 12 o'clock. It includes a quick set date aperture window at 3 o'clock underneath a Cyclops magnification bubble in the crystal. It has a 70-hour power reserve at full winding, and it's water resistant to 100 meters/330 feet. It has a Certified Official Superlative Chronometer (COSC) rating, and the 12mm thick case, dial, and movement are all signed.

This Rolex Day-Date 40 President 228206 has a mechanical automatic self-winding Rolex caliber 3255 movement. It's rhodium plated with fausses cotes embellishment, and it's constructed with 31 jewels, a "Chronergy" lever escapement that optimizes energy efficiency; it's made of nickel phosphorus, and it's insensitive to magnetic interference. It has bidirectional self-winding through the perpetual rotor, a Parachrom blue balance spring with an overcoil, and an amagnetic oscillator system. The Chronergy escape wheel is skeletonized to reduce any energy loss due to inertia. It has a free-sprung adjustable mass balance, and the mechanism oscillates at a frequency of 28,000 vph (4 Hz).

The Rolex Day-Date 40 President 228206 was introduced in 2015 at the BaselWorld exhibition.