Winter poses several concerns for the watch wearer — sensible, sartorial and at times technical issues. Similar to the ref. 6536 above, it had been accessible in both chronometer and non-chronometer variants, but this was The 1st time the COSC watches actually had the 'Officially Accredited Chronometer' textual content about https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/