Casio G-SHOCK While the model number appears to be G-100-1BMFJ, according to my research, this all-black version may be rare as it doesn't seem to be available. It resembles the collaboration model with Urban Research, released around 2017. Size (H x W x D): H49.6 x W47.8 x D15.7mm Main Features: Shock-resistant structure (shock resist), Neobrite, Magnetic resistance (JIS Class 1), 20-bar water resistance, Dual time, Stopwatch, Time alarm, Full auto-calendar, 12/24-hour display switching, EL backlight (with afterglow) *Please understand that the features listed are based on amateur research.