Tokeiza

'Tokeiza (時計座) is a silver fob watch that belongs to Shiratsuyu. It has an extra long chain and a hidden blade inside it.

Uses
Shiratsuyu's dad was a clock maker and she became interested in them so she decided to make her own. It works as a normal clock and can be used as a weapon. Shiratsuyu never goes anywhere without it and most of her weapons are clock-based.