Black Bay One 39 S&G | 39mm, Two-Tone Steel & 18K Yellow Gold, Diamond Black Dial, Ref. M79663-0006 Master show stopping design

show stopping design

while the case back is stamped with the Constellation Observatory medallion

The striking green dial features chronograph functionality with a 1/4th second chronograph

It has 72 hours of power reserve and an accuracy rating of -3 to +5 seconds per day

this IWC collection provides ultimate accuracy and reliability on deck and ashore

Black Bay One 39 S&G | 39mm, Two-Tone Steel & 18K Yellow Gold, Diamond Black Dial, Ref. M79663-0006 Master show stopping designEnhancing the Black Bay One with yellow gold creates a version named S& G, for Steel & Gold. TUDOR derived the characteristic aesthetic elements of the Black Bay One S& G model from its history. The overall shape, as well as the domed dial and crystal, come from the first TUDOR divers watches. In this version the lines and proportions of the Black Bay One are retained, while the rotating bezel and the winding crown are made from yellow gold.