The Rolex 128238 CHIP features 36mm 18K yellow gold case, screw-down back, screw-down crown with twinlock double waterproofness system, fluted bezel, scratch-resistant sapphire crystal with cyclops lens over the date, champagne dial, index hour markers, Rolex calibre 3255 perpetual self-winding movement with centre hour, minute and seconds hands, instantaneous day and date in apertures, unrestricted rapid-setting, and stop-seconds for precise time setting, approximately 70 hours of power reserve, 18K yellow gold President bracelet with semi-circular three-piece links, concealed folding Crownclasp buckle. Waterproof to 100 meters.
