> ## Knowledge Base Index > Fetch the complete knowledge base index at: https://clockworks.crisp.help/sitemap.xml > Use this file to discover available pages before exploring further. > Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash). # Hermle 451 Series Clock Movement ### Hermle 451 clock movement Being one of the most produced movement in the clock world, the [Clock movement 451 Series](https://www.clockworks.com/clock-movement/hermle-clock-movement-451.html) is very popular. The [451-050](https://www.clockworks.com/product/new-451-050-clock-movement-by-hermle) and the [451-053](https://www.clockworks.com/product/new-451-053-clock-movement-by-hermle) are only rivaled by the 340-020 mantle unit for quantity produced. A Hermle 451 Series clock movement will work for 25 - 30 years night and day with out much complaint. [![](https://storage.crisp.chat/users/helpdesk/website/-/9/5/9/1/9591a3f915bf7800/hermle-451-050_gnk0mc.jpg =368xauto)](https://www.clockworks.com/clock-movement/hermle-clock-movement-451.html) ### Click on the picture to shop Hermle 451 Series Clock Movements on Clockworks.com ### The movement A grandmother sized clock case would except the Hermle 451 Series clock movement perfectly usually. This clock movement has square outer movement plates that are 120 x 120mm. A chain driven, three weight, Westminster chime clock movement, that fits into tight places. [Pendulum](https://www.clockworks.com/clock-parts/clock-pendulums.html), [chimeblock](https://www.clockworks.com/clock-parts/clock-chime-rods-parts.html), [dial](https://www.clockworks.com/clock-parts/clock-moon-dials.html) or weights sold separately. Hand nut, chains, [suspension spring](https://www.clockworks.com/product/clock-pendulum-suspension-spring) and [leader](https://www.clockworks.com/product/clock-pendulum-leader) come with the new Hermle 451 Series clock movement. Chains, [leader](https://www.clockworks.com/product/clock-pendulum-leader) and [suspension spring](https://www.clockworks.com/product/clock-pendulum-suspension-spring) included. It is basically everything that comes out with the two screws underneath removed. With so many sold, the part and component availability is high for the 451 clock movement, this cannot be said about many other clocks. [![](https://storage.crisp.chat/users/helpdesk/website/-/9/5/9/1/9591a3f915bf7800/chime-blocks_17yqy32.jpg =910xauto)](https://www.clockworks.com/product-category/all-clock-parts/mechanical-clock-chime-rods) ### Click on the picture to shop Chime Blocks on Clockworks.com ### The support You would think if a family has been doing something for 100 years they would know what their doing. Well, your right! So if any questions about the product at any point in time, even 10 - 15 years later, ask. We can assist long after the factory warranty of 3 years. Instructions on removal of the old and the install of the new Hermle 451 Series clock movement, with support if needed. * A fraction of the price of an overhaul * Should last 25-30 years, an overhaul would not * Instructions and expert support * Hermle Clock Movement of Germany [![](https://www.clockworks.com/wp-content/uploads/2019/07/IDnewfinal-2.jpg)](https://www.clockworks.com/product-category/clock-movements/mechanical-movements/hermle-clock-movements) ### Click on the picture to shop Hermle Clock Movements on Clockworks.com *The content of this website is copyright by [Clockworks Inc.](https://www.facebook.com/ClockworksUSA)