Bedat & Co No. 7 Diamonds in Steel and Black Satin Unisex Watch, Bedat & Co. #728.040.109. This watch contains a mechanical automatic movement within a stainless steel, curving, rectangular case. The bezel is set with 100 diamonds for a total weight of 0.51 carats. The white dial, stamped with a wavy sunburst guilloche pattern, has eight diamond hour markers and steel hands. The face is covered with a sapphire crystal. The strap is a rolled-edge, hand-stitched with black satin and a folding buckle. Water resistant up to 50 meters.