Heritage Black Bay DarkA typical feature of the Heritage Black Bay Dark is the stainless steel case with a black coating. The coating process, which was adapted from thin-film technology, was originally developed by NASA for its own space program.
- Material: Black PVD-plated stainless steel with black leather strap
- Movement: Self-winding movement (manufacture caliber)
- Diameter: 41 mm
- Water-resistance: 20 bar
- Wempe reference: TU280024