From our Estate Collection, this is a stainless steel screw for the band of a ladies Ebel classic wave watch with reference #1057901.
This screw measures 2.50mm at its head (with slot for a flat head screwdriver) x 1.40mm at its thread x 2.10mm long.
Type:Watch Screw
Material:Stainless Steel
Color:Silver
Handmade:No
Vintage:No
Year Made:N/A