Winter poses quite a few thoughts for the watch wearer — simple, sartorial and sometimes specialized questions. Like the ref. 6536 over, it had been available in both chronometer and non-chronometer variants, but this was the first time the COSC watches in fact experienced the 'Officially Accredited Chronometer' textual content https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/