Omega ladies seamaster aqua terra 150m quartz 30mm watchcaliber omega 4561 quartz precision movement with rhodium plated finish end of battery life indicatorpower reserve 44 monthscrystal domed scratch resistant sapphire crystal with anti reflective treatment on both sidescase steeldial teak opaline silverwater resistance 15 bar 150 metres 500 feetsize case diameter 300 mmwater resistance 15 bar 150 metres 500 feet