Most visitors online was 1990 , on 7 Feb 2022
Yep it's a tropic type crystal.It looks like a tropic crystal. Same as Rolex style. ?
Thanks Dave! Found what I needed. The numbers were incredibly faint but there. "1370/3-1162" Appreciate the help.On the back is a code. It will be a 5 or 6 number/letter with a dash and a usually 4 number: 1376/1 - 1162D almost all Wylers have this info on the back, it can be worn or hard to read. The first number is the model, the last number 1162D is the crystal needed. G&S will have crystals for these Wylers under that code. Almost all of the later Wylers will use the 1162, D being for a calendar window. Old G&S assortments will have many of these Wyler crystals under their code.