Three various Omega watches, a.o. an iconic Omega De Ville and an Omega Seamaster Polaris, 20th C.

L 13 - Dia.: 3,3 cm (Omega De Ville, Dia incl. the crown)
L 12 - Dia 3,4 cm (Omega Seamaster, Dia incl. the crown)
L 22 - Dia.: 3,2 cm (hand-wound Omega, Dia incl. the crown)