Xezo Unisex Architect Swiss Made Watch. Natural Black Mother-of-Pearl. 5ATM WR It would suit men with narrow wrists or alternately, women with medium to X-large wrists. Curved case and curved Scratchproof Sapphire Crystal Glass Water-Resistant 165 FT/50 Meters. The natural black mother-of-pearl range from dark gray to black with red, green or blue overtones Adjustable leather band from medium to X-large. Precision Swiss-Made ETA movement with very long battery life Individually numbered. Limited edition of 500 pieces Every Xezo timepiece is guaranteed against all defects in workmanship and parts for 1 year from date of sale.