If you purchased your timepiece from an authorised Bow London retailer, please contact the authorised Bow London retailer or service provider from where it was originally purchased.If you purchased your watch directly from our website, and feel it is a matter of warranty, kindly contact us at hello@thebowlondon.comIf purchased from an e-commerce platform such as: eBay and Groupon, or any unauthorised third party vendor on Amazon, there is a risk of receiving a timepiece that is counterfeit, used, or defective. Bow London does not honour any warranty claims that are not accompanied by the original proof of pruchase.