The T137.407.11.041.00 (T1374071104100) showcases a tonneau (barrel)-shaped stainless steel case measuring 40 mm in width, 39.5 mm in length, and has a slim 10.9 mm thickness. https://saicreationswatches.com/products/t1374071104100-t-classic-prx-powermatic-80-watch-for-men