Reference 128235-0087 presents the Day-Date 36 in an Oyster case crafted from 18 kt Everose gold, measuring 36 mm across. A fluted bezel frames the scratch-resistant sapphire crystal, which features a Cyclops lens positioned over the date aperture. The monobloc middle case is completed by a screw-down case back and a screw-down Twinlock winding crown, offering waterproofness to 100 metres / 330 feet.
The silver dial is set with 10 baguette-cut diamonds serving as hour markers, lending the piece a refined, jewel-set character. Day and date are displayed through instantaneous apertures with secure rapid-setting, while the stop-seconds function allows for precise time adjustment. The 18 kt Everose gold President bracelet, featuring semi-circular three-piece links, fastens via a concealed folding Crownclasp.
Powering the watch is the Calibre 3255, a perpetual mechanical self-winding movement bearing Manufacture Rolex designation. It delivers a precision rating of -2/+2 seconds per day after casing and carries Superlative Chronometer certification — combining COSC testing with Rolex's own post-casing standards. A paramagnetic blue Parachrom hairspring and Paraflex shock absorbers contribute to the movement's resilience, supported by an approximately 70-hour power reserve.