"Hallmark Hr-916

There is no official or documented watch model named "HALLMARK HR-916 200METERS". The designation "916" alongside "Hallmark" commonly refers to 916 purity gold (22-karat gold) used in jewelry, while "200 meters" typically describes a diver's water-resistance rating found on completely different timepiece brands (such as Casio or Hallmark's Sub-Divers range).