Manufacturer: Aerowatch Model 2 register chronograph Valjoux 23 Product number C2001-R.801 Serial No. 0.. Caliber Valjoux 23 Year of manufacture Waterproof function　　Daily life waterproof level Operating mechanism Hand-wound Case diameter 39.0 mm Case material 18KPG Belt Leather belt (crocodile, black) Repair history Operation confirmation (February 2024) Accessories: Outer and inner boxes (both have damage), warranty card (open) A chronograph equipped with the Valjoux 23, an old stock movement from the 1940s. Valjoux supplied high-quality chronograph movements to many prestigious brands. The Valjoux 23 is an improved version of the Valjoux 22, which is a representative example of this. After that, it changed to CAL.69, which is famous as the world's smallest chronograph, and CAL.72, which was also used in the Rolex Daytona. The Aerowatch 2-register chronograph is a beautiful engraved version of the Valjoux 23 that had been sleeping in the back of a warehouse. This is a very elaborate movement with beautiful engravings on a high-quality movement with pillar wheels. It's irresistible for watch lovers. 【condition】 Unused condition