It appears that duty is £0.20 per watch, so I'd not be hugely concerned about that.
https://www.trade-tariff.service.gov.uk/commodities/9102210000#import
@Dammit started
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It appears that duty is £0.20 per watch, so I'd not be hugely concerned about that.
https://www.trade-tariff.service.gov.uk/commodities/9102210000#import