From the TUDOR Black Bay 31 collection this expertly crafted watch has a fixed steel bezel and Manufacture Calibre MT5201 (COSC) self-winding mechanical movement. With a 50-hour power reserve,The Black Bay 31 model depart from TUDOR's tool watch spirit and offers a sophisticated,versatile,unisex look. The case features a combination of finishes,with polished and domed sides,a curved design,and a curved winding crown,whilst the dark blue dial is setting with glittering diamond markers and TUDOR's iconic Snowflake hands. The five-link bracelet comes with a TUDOR "T-fit" clasp,with rapid adjustment.