how to change the battery on a bell and ross quartz

Bell & Ross has designed the Vintage Officer Collection as an homage to the aviators of the 1940's, who were the first professionals to use the wristwatch as a tool on their missions. Specifications: The cases measure 41mm and are water resistant to 100 meters. The crystal is a domed sapphire with AR-coating. Movements are the Swiss automatic ETA caliber 2895 for the time-only model and the caliber 2894 for the chronograph. Dials are available in black or silver, with numerals, index and hands covered in SuperLuminova coating. Numerals and index have polished appliqu��s.

The Regulator timepiece has an almost mystical status in horological history due to its traditional role as the reference clock used by the watchmaker to time the accuracy of all other clocks and watches. The case, in stainless steel, measures 46mm x 56mm x 20mm. It features various sapphire crystals in compound curves, beveled edges, with anti-reflection coating on both main faces and the display back. It is water resistant to 100 meters. The case is made of 45 components ! Movement is the automatic Rebellion in-house caliber REB-7, with 23 jewels, 28,800 vph and a power reserve of 42 hours. It features galvanic black gold plates, a gold date ring and gold plated wheels. It was developed by master watchmaker Laurent Besse.