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Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Acrylic, mineral, and sapphire are three types of crystals commonly used in watches.Acrylic crystal, sometimes referred to as Hesolite, is a plastic that is generally less expensive and less durable than a sapphire or a mineral crystal.
http://www.w3.org/ns/prov#wasQuotedFrom	amazon.co.uk