![John Harrison Liverpool - Wrist and Pocket Watches 2018/11/30 - Realized price: EUR 1,875 - Dorotheum John Harrison Liverpool - Wrist and Pocket Watches 2018/11/30 - Realized price: EUR 1,875 - Dorotheum](https://www.dorotheum.com/fileadmin/lot-images/45U181130/normal/john-harrison-liverpool-5791996.jpg)
John Harrison Liverpool - Wrist and Pocket Watches 2018/11/30 - Realized price: EUR 1,875 - Dorotheum
![Internal clockwork of John Harrison's H4 watch, the world's first accurate timepiece, completed in 1759 [1281x1280] : r/ArtefactPorn Internal clockwork of John Harrison's H4 watch, the world's first accurate timepiece, completed in 1759 [1281x1280] : r/ArtefactPorn](https://preview.redd.it/jcja2blt6z691.jpg?auto=webp&s=ceb74f8324a159b90ac1112b58375603b4986f9c)
Internal clockwork of John Harrison's H4 watch, the world's first accurate timepiece, completed in 1759 [1281x1280] : r/ArtefactPorn
![Carter Marsh & Co. Ltd (Antique Clocks) – Exhibit № 44. William Harrison, London No.33, Hallmarked 1797 Carter Marsh & Co. Ltd (Antique Clocks) – Exhibit № 44. William Harrison, London No.33, Hallmarked 1797](https://www.cartermarsh.com/wp-content/uploads/2021/09/7F0A5329.jpg)
Carter Marsh & Co. Ltd (Antique Clocks) – Exhibit № 44. William Harrison, London No.33, Hallmarked 1797
![Making The Escapement, Remontoir, And Timing For Derek Pratt's Reconstruction Of John Harrison's H4, The World's First Precision Marine Chronometer (Part 3 of 3) - Quill & Pad Making The Escapement, Remontoir, And Timing For Derek Pratt's Reconstruction Of John Harrison's H4, The World's First Precision Marine Chronometer (Part 3 of 3) - Quill & Pad](https://quillandpad.com/wp-content/uploads/2017/01/Derek-Pratt-John-Harrison-H4-42.jpg)
Making The Escapement, Remontoir, And Timing For Derek Pratt's Reconstruction Of John Harrison's H4, The World's First Precision Marine Chronometer (Part 3 of 3) - Quill & Pad
![Amazon.co.jp: John Harrison John Harrison Full Skeleton Automatic Watch JH003 – SB : Clothing, Shoes & Jewelry Amazon.co.jp: John Harrison John Harrison Full Skeleton Automatic Watch JH003 – SB : Clothing, Shoes & Jewelry](https://m.media-amazon.com/images/I/61PB0f7e7oL._AC_UX466_.jpg)