approximately 70 hours of power reserve
Rolex Sky-Dweller 42 Watch 326938 s 42mm 18K yellow gold case
approximately 72 hours of power reserve
90 degree rotatable blue ceramic Ring Command bezel
Rolex Day-Date 36mm Watch 128238 wrp Color:Gold approximately 70 hours of power36mm 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, white dial, Roman numerals, 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