Longines "Layered Case' Automatic Date Watch

Longines vintage automatic watch from the 1970s. The watch has an unusual layered Stainless Steel case. The watch works with a Longines 633.1 automatic movement (2824-2). Original Longines signed crown. Case is 37.3mm (excluding crown), 41.6mm (lug-to-lug). The lug width is 19mm. The watch comes with a Longines black leather strap with Longines buckle. The case has a few scratches on the back. Maintains good timing. Circa 1970's. No box or papers.