GIRARD PERREGAUX R&D-01 CHRONOGRAPH Reference: 49931. Serial number: 25. Steel case. Internal rotating bezel. Black dial, featuring four sub-dials (seconds, hour totaliser, date, day/night indicator). Self-winding mechanical movement (calibre 33C0-AD). Rubber strap with a signed stainless steel folding clasp. Sapphire crystal. Circa 2010. Diameter: 42 mm. Supplied with its box, user manual and warranty card. A stainless steel wristwatch with an automatic movement, by Girard-Perregaux. Circa 2010. Disclaimer: Sold as is, with signs of wear and use. Movement was functioning at the time of writing this description; a routine service is recommended; no warranty provided.