Measuring 40 mm, the Oyster case of this Day-Date is crafted entirely in platinum, featuring a monobloc middle case, screw-down case back, and a screw-down Twinlock winding crown for waterproofness to 100 metres. The fluted bezel frames a scratch-resistant sapphire crystal fitted with a Cyclops lens over the date aperture.
The bright black dial anchors the watch with deep contrast, while the President bracelet — constructed with semi-circular three-piece links in platinum — secures via a concealed folding Crownclasp. The combination of platinum throughout the case and bracelet gives this reference a singular sense of weight and presence.
Inside runs the Calibre 3255 Manufacture Rolex movement, a perpetual, mechanical, self-winding calibre with COSC certification and a precision rating of -2/+2 seconds per day after casing. A paramagnetic blue Parachrom hairspring, Paraflex shock absorbers, bidirectional winding via a Perpetual rotor, and a power reserve of approximately 70 hours round out the specification. Day and date are displayed in separate instantaneous apertures with secure rapid-setting, complemented by stop-seconds for precise time adjustment.
