This is a CASIO WVA-M640 wave ceptor MULTIBAND 6 TOUGH SOLAR wristwatch. The wrist size is approximately 17.5cm. It is equipped with Tough Solar, which reduces the need for battery replacement. There are minor scratches (especially on the bezel glass at the 9 o'clock and 10 o'clock positions) and dirt from use. The dial is gold. [Brand] CASIO [Model] wave ceptor WVA-M640 [Functions] MULTIBAND 6, TOUGH SOLAR [Color] Silver (dial is gold) The instruction manual (model number 5161) is available online.