Rolex Yellow Gold Day-Date 36 Watch - Diamond Bezel - Dark Grey Diamond Dial - President Bracelet - 128348RBR dkgdp and The 10 days of power

The 10 days of power (240 hours

Mechanical self-winding

Both case and buckle stamped and hallmarked 18k 750 assay certificate

butterfly double deployment clasp hidden buckle

So this watch is the best version of 16233 series

Rolex Yellow Gold Day-Date 36 Watch - Diamond Bezel - Dark Grey Diamond Dial - President Bracelet - 128348RBR dkgdp and The 10 days of power36mm 18K yellow gold case, screw down back, screw down crown with twinlock double waterproofness system, bezel set with 52 diamonds, scratch resistant sapphire crystal with cyclops lens over the date, dark grey dial, diamond 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,