Steel coated with yellow gold (0.1 micron) and black leather, black-lacquered dial, steel earphones coated with black and yellow gold colors Sizes 26.1 x 20 x 7.6 mm Case Steel case coated with 18K yellow gold (0.1 micron) Crown Steel crown coated with 18K yellow gold (0.1 micron) set with onyx cabochon Dial Black-lacquered dial Strap Steel necklace chain coated with 18K yellow gold (0.1 micron) interwoven with black leather and matte black audio cable Movement High precision quartz movement Functions Hours, Minutes Water-resistance 30 m SKU: H10166