ALPINA AVALANCHE EXTREME REGULATEUR. Reference: AL650X5AE24/6. Serial number: 1505464. Steel case – PVD. Black dial, baton hour markers. Manual-winding mechanical movement (calibre 6498-1). Rubber strap with signed pin buckle. Sapphire crystal. Circa 2011. Diameter: 44 mm. Supplied with its original box and papers. A stainless steel wristwatch with an automatic movement, by Alpina. Circa 2011. 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.