Cvstos watches use openworked dials, tonneau-shaped cases and contemporary materials to create a technical, modern appearance. Challenge references are available in different sizes, complications and case executions, so buyers should compare the complete specification rather than the model name alone. Averstime lists pre-owned Cvstos watches when available and can help confirm the status and details of a particular piece. Owners interested in selling or trading can send the reference number, current photos, condition notes and information about the original box, papers and service history. These details help support a more relevant preliminary market review.