AARK Collective / Ark Collective Logo Silver 30,250 yen It functions without any problems, but I've decided to sell it as I don't think I'll be using it in the future. The battery was replaced on February 17, 2023. It is working properly. There is no case, instruction manual, or warranty. Product number: ac039 Case (dial) width: Approximately 36mm Case (dial) thickness: Approximately 9mm Belt width: Approximately 18mm Wrist circumference: Approximately 16-20.5cm Case (dial) material: 316L stainless steel Belt material: Stainless steel Windshield: Sapphire-coated mineral glass Water resistance: 3ATM Movement: Japanese quartz Both the watch body (case (dial)) and the belt may have small scratches, stains, and damage, so please understand that this is a used item. Also, please understand that while it is working properly, this is not a guarantee. Please refrain from purchasing if you are sensitive to imperfections or are looking for a perfect item.