Hello Kitty 50th Anniversary Watch Brand new, unused, and unopened. I purchased it on the first day of release, so the serial number might be early. Specifications: ● Material: Case, back cover, and band = stainless steel; Windshield = curved hardlex ● Case size (approx.): 34.8 x 29.1 x 7.9mm ● Wrist size (approx.): S = 14cm, M = 15cm, L = 18cm (S, M, and L can be adjusted by the user from 12 to 18cm) ● Movement: Quartz (average monthly difference within ±15 seconds) ● Reinforced water resistance for daily life (10 ATM water resistance) ● 3-year quality guarantee ● Made in Japan