German luxury watchmaker A. Lange & Söhne has updated its Zeitwerk Date mechanical digital watch with an eye-catching new ...

The Streamliner Kennedy has tortoiseshell acetate panels attached to each side of the case. Briston Because authentic tortoiseshell glasses were a luxury item for centuries, the material’s distinctive ...

Still, it’s a safe bet that a commercially available watch using this new case material is being developed. Thus far, the Ceralume project has taken two and a half years, Brunner says.