Discount prices on designer watches including Tissot, Seiko, Citizen, Police, Accurist, Guess, Seiko, Rotary and more from Nigel O'Hara Diamond Jewellers. The Uk's largest Authorised Seiko and Tissot dealers, huge range of mens and ladies watches. Nigel O’Hara offer a stunning selection of jewellery for men and women as well as beautiful homeware, fantastic gifts, stylish watches and so much more.