Wrist circumference: Approximately 21 cm Face: Approximately 38 mm It is, of course, working! This model is a very popular item! This is a product you should definitely get and see in person! Thank you for your consideration! ⭐︎Purchase sources: Brand reuse shops, pawn shops, used goods markets, store products, authorized retailers * This is a certified authentic product. Please purchase with confidence. Although I have never experienced it before, if it is a counterfeit product, I will provide a refund. Please note that the display stand is not included. ☆ I am also listing other items ☆ ↓ #ZMwatches Thank you for reading this far! I hope you will consider it!