Briston unisex clubmaster classic steel chronograph watch 15140spkc5lvbr 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 gunmetal pvd strap type leather strap colour brown water resistance 100 metres movement quartz chronograph yes mpn 15140spkc5lvbr guarantee briston 2 year guara