Original watch case for Baume & Mercier Baumatic watches.
Including the crystal the pushers and the crown. Case-back is marked BAUME & MERCIER | GENEVE | 6104.018 | 1807985 | ACIER UINOX | STAINLESS STEEL.
New, never used, with some faint blemishes from storage or handling, if any.
The watch in the image is used only for reference. Please refer to the watch manufacturer’s presentation for the technical details.