Swiss Automatic with COSC (certified chronometer) rated accuracy and 80hr power reserve and bracelet for a fantastic price!! sapphire crystal, exhibition caseback, and still under 10mm thick! Tissot Ballade Powermatic 80 Chronometer Rose Gold on Bracelet in excellent condition. Rose gold but not so much, just a more bronze-ish kind of gold. Watch itself is great, Powermatic 80 movement is great, this model is rated as a chronometer so fantastic accuracy. (-4/+6 seconds per day) ​ The Tissot Ballade features the Powermatic 80 movement equipped with a patented silicon balance spring. Although the collection is one of Tissot's classic pieces, it has taken it to the next level by introducing this new technology for the first time in the brand's history. As silicon is non-magnetic and has better temperature and shock-resistance than conventional materials, the caliber offers better chronometric precision, stability, and longevity. Precision: -4/+6 seconds per day. Collection T-Classic Water-resistant up to a pressure of 5 bar (50 m / 165 ft) CASE & CRYSTAL Thickness 9.8 See-through caseback Length 39.00 Width 41.00 Case Material 316L stainless steel case with rose gold PVD coating Lugs 20.00 Scratch-resistant sapphire crystal MOVEMENT COSC Yes Jewels 25 Model POWERMATIC 80.811 Movement Swiss automatic Power reserve up to 80 hours Functions Patented Silicon balance spring, Patented Regulator-assembly