The BR S is the smallest version of the Bell & Ross aviation range. Readability is the biggest priority for this instrument. This watch is equipped with Swiss-made ETA 980.163 quartz movement that is powered by a battery. Battery life reaches approximately two years. Hands, numerals and indices are covered with luminous paint that enhances night time readability. The bezel brags elegant diamond decorations. Other useful functionalities include a seconds sub-dial and scratch-resistant sapphire crystal glass with anti-reflective coating.