Fortis The movement was originally designed to be detachable from two types of cases. Since this is a used purchase, I do not know the details such as the model number. The stainless steel case of the diver type has been processed and embedded. The joints are epoxy putty. The inner sealed packaging has an inner diameter of 30.5 mm and a thickness of 9.6 mm. Swiss ETA 2824-2 is believed to be the movement. Accuracy is precise (please purchase if you understand from the photos). Flat position +2 12 o'clock up -2 9 o'clock up +3 6 o'clock up -0 3 o'clock up -3 The band is a solid stainless steel type. Wrist size 175 mm No extra links As a bonus Lug width 20 mm Please purchase if you are satisfied with the photos. Calendar function works. Manual winding is also possible. No hacking function.