Ballast mens trafalgar chronograph watch bl 3101 88 specifications brand ballast packaging ballast packaging case width approx 46mm case depth approx 14mm gender mens dial colour black date yes clasp type fold over buckle with safety lock case material ion black plated strap type metal bracelet strap colour black water resistance 100 metres movement quartz chronograph yes mpn bl 3101 88 guarantee ballast 2 year guaran