I purchased this used on Mercari. It's a Rado Diastar for sale. The following is the previous owner's description: cal.2797 25 jewels automatic, working Movement: ETA2783 Daily rate: Approximately +20 seconds, measured flat using a timegrapher Case size: Approximately 35mm, excluding the crown Case material: Tungsten Lug width: 18mm Belt size: Maximum approximately 17cm (Original metal band) No accessories There are scratches, small marks, and dirt due to aging. Please refer to the photos and understand that this is an aged item before purchasing. That's all. The following is my addition: It runs without problems while wearing it, but it stops winding in about half a day when placed flat, so I recommend winding it with a watch winder. The original metal band has no spare links, and it barely fits my wrist of about 17cm, but it's tight, so I replaced it with a free metal band of the accordion type. I will also include the original metal band. As a service, I will include a germanium ore? bangle (metal, removable links). Thank you very much.