Rolex Steel and Yellow Gold Rolesor Lady-Datejust 28 Watch - Fluted Bezel - Silver Index Dial - Oyster Bracelet - 279173 sio Lady I had taken to iwc

I had taken to iwc center here they said leave it for now untill the watch is due service then they replace it

Oysterlock folding safety buckle with Rolex glidelock extension system

Mechanical self-winding movement (Automatic)

tarnish from the age (Natural reaction of 18k gold and proof it's untouched)

Rolex Steel and Yellow Gold Rolesor Lady-Datejust 28 Watch - Fluted Bezel - Silver Index Dial - Oyster Bracelet - 279173 sio Lady I had taken to iwc28mm yellow Rolesor case comprised of a 904L steel monobloc middle case, screw down steel back, 18K yellow gold screw down crown with twinlock double waterproofness system, 18K yellow gold fluted bezel, scratch resistant sapphire crystal with cyclops lens over the date and double anti reflective coating, silver dial, index hour markers, Rolex calibre 2236 automatic movement with center hour, minute and seconds hands, instantaneous date with rapid