Bell & Ross Aviation Watch 39mm BRS-HERI-ST/SCA. The BRS is the smallest timepiece from the Aviation collection. The case of this watch is made of satin-polished steel and scratch-resistant sapphire crystal glass with anti-reflective coating. This watch is equipped with Swiss-made calibre BR-CAL.102 quartz movement. Black dial sand-coloured superluminova-filled numerals, indices and hour and minute hands. A small seconds sub-dial is the most prominent element on the display at 6 o'clock. The watch comes with a black calfskin with heritage stitching starp. Additional useful features include water resistant to 10 ATM. Comes complete with branded Bell & Ross packaging.