Rolex calibre 4130 self-winding movement with chronograph central second hand
unidirectional rotatable bezel with Cerachrom insert and platinum coated numerals and graduations
approximately 72 hours of power reserve
Chromalight luminescent hands and hour markers
Rolex calibre 3255 perpetual self-winding movement with centre hour
Rolex 950 Platinum Day-Date 40 Watch - Smooth Bezel - Dark Rhodium Index Dial - President Bracelet - 228206 drsmip 41 Rolex calibre 4130 self-winding movement40mm 950 platinum case, screw down back with Rolex fluting, screw down crown with twinlock double waterproofness system, smooth bezel, scratch resistant double anti reflective sapphire crystal with cyclops lens over the date, dark rhodium dial, index hour markers with Chromalight, 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