5 mm black ceramic case with helium escape valve
40mm Rolesium case comprised of Oystersteel and platinum
27 mm brushed stainless steel and 18K yellow gold case
7 mm 18k yellow gold case
Introduced at Baselworld 2017
Rolex Yellow Gold Day-Date 40 Watch - Fluted Bezel - Champagne Roman Dial - President Bracelet - 228238 chrp Graduation 5 mm black ceramic case40mm 18K yellow gold case, screw down back with Rolex fluting, screw down crown with twinlock double waterproofness system, fluted bezel, scratch resistant double anti reflective sapphire crystal with cyclops lens over the date, champagne dial, Roman numerals, Rolex calibre 3255 automatic movement with centre hour, minute and seconds hands, instantaneous day and date in apertures, unrestricted rapid setting, and stop seconds for precise time setting,