Wrist circumference: Approximately 21 cm Face: Approximately 39 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 locations: Brand reuse shops, pawn shops, antique markets, store products, and authorized retailers. * This is a certified authentic product. Please purchase with confidence. Although I have never experienced this 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!