A Casio Edifice Sapphire Chronograph wristwatch, reference EFB-730D. The watch features a light blue sunray dial with three sub-dials: a 24-hour indicator at 12 o’clock, a 30-minute chronograph counter at 9 o’clock, and a small seconds hand at 6 o’clock. A date aperture is positioned between 4 and 5 o’clock. The dial is printed with EDIFICE, CASIO, and SAPPHIRE in white at the 9 o’clock position, with JAPAN MOV’T appearing at the bottom edge. The stainless steel case is fitted with a sapphire crystal and a screw-down case back. The back is engraved with a central Edifice logo above CASIO and SAPPHIRE CRYSTAL, while the perimeter is marked with module 5712, model number EFB-730D, STAINLESS STEEL, WATER RESISTANT 10BAR, and JAPAN MOV’T; an additional alphanumeric code 5021K is etched to the centre. The watch is presented on its original integrated three-link stainless steel bracelet with a fold-over clasp. The piece utilizes a Japanese quartz movement.