How to say “Has anybody handed in a watch? I left mine on the vanity shelf while I washed my hands.” in Japanese

In Japanese

時計(とけい)の落(お)とし物(もの)、届(とど)いてませんか？手(て)を洗(あら)うときに洗面台(せんめんだい)の棚(たな)に置(お)いて、そのまま忘(わす)れちゃって。

Tokei no otoshimono, todoitemasen ka? Te o arau toki ni senmendai no tana ni oite, sono mama wasurechatte.