time of meridian passage of Sirius and of the moon
sapphire-crystal back
Rolex calibre 3285 self-winding movement with second time-zone hour hand and instantaneous date
approximately 72 hours of power reserve
President bracelet with three-piece solid links comprised of a polished center link
Rolex 950 Platinum Day-Date 40 Watch - Smooth Bezel - Dark Rhodium Index Dial - President Bracelet - 228206 drsmip Index time of meridian passage of40mm 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