Tudor Black Bay Chronograph "Bumblebee" 39mm 79310N SBGW289G The 44mm case is stainless

The 44mm case is stainless steel in the Luminor's cushion form — flattened arcs meeting at the crown side

True to MING’s design philosophy

Operating at a high frequency of 36

marking the natural cycles of time through their yearly transformation

Part of a new era of vibrant lacquer finishes at Rolex

Tudor Black Bay Chronograph "Bumblebee" 39mm 79310N SBGW289G The 44mm case is stainlessOverview The Black Bay Chrono 39 corrects the most consistent criticism of the Black Bay Chrono lineage. Where the 41mm generation carried a case profile that many collectors found at odds with the vintage ergonomic reference points the watch was attempting to evoke, the 79310N brings the case to 39mm and 13. 1mm thickness across a 47mm lug to lug span. The "Bumblebee" colorway carries a bright yellow dial with black sub registers, a visual nod to the