Mondaine mens helvetica no1 watch mh1b1220lb specifications brand mondaine packaging mondaine packaging case width approx 43mm case depth approx 11mm gender mens dial colour black date yes clasp type buckle case material stainless steel strap type genuine leather strap strap colour black water resistance 30 metres movement swiss quartz chronograph no mpn mh1b1220lb guarantee mondaine 2 year guarantee th