Briston unisex clubmaster vintage acetate watch 17440satv17lfg specifications brand briston packaging briston packaging case width approx 39mm case depth approx 12mm gender unisex dial colour grey date no clasp type buckle case material stainless steel strap type fabric strap colour grey water resistance 50 metres movement quartz chronograph no mpn 17440satv17lfg guarantee briston 2 year guarantee