Does work but the time is off and needs to be reset. This vintage Boston cooking timer is a unique addition to any kitchen. With a bright yellow ceramic exterior featuring the Chez Moutarde Dijon Mustard logo, this mechanical timer is perfect for those who want to add a touch of retro charm to their cooking routine. Featuring an easy-to-use design with no dinger, this timer is perfect for keeping track of your cooking time without the need for batteries or electricity. Whether you're an experienced cook or just starting out, this Boston Warehouse timer is a must-have for any kitchen.