Briston unisex clubmaster classic chronograph watch 13140pbamb4nb specifications brand briston packaging briston packaging case width approx 39mm case depth approx 12mm gender unisex dial colour black date yes clasp type buckle case material black ion plated steel strap type fabric strap colour black water resistance 100 metres movement quartz chronograph yes mpn 13140pbamb4nb guarantee briston 2 year guarante