... waterproof,sapphire glass 2.Japnese movement 3.3in1 back of watch 2013 oem watch with power: item no:material:Heavy tungstenenergy :negative ion,FIR, ... pcs per stylecolour:silver,gold ,rose gold,black,etclogo:OEM is welcomesize7.5"-8.5"delivery time:within 40-50 ... bag per unitDetails for the watch:Water proof for watch:Sapphire Glass for watch:Import movement for watch:Function of FIR lImprove micro ...