Winter poses several queries into the watch wearer — realistic, sartorial and in some cases technological queries. Beginning manufacturing at the same time because the ref. 6200, the Submariner ref. 6536 returned to the thinner circumstance and smaller sized crown (and 100m water resistance) but was presented the Cal. 1030, https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/