Origins of the Waltham Model 57 Table of Contents by Ron Price Copyright © 1995-2019 originally published 2005 by NAWCC as Supplement No. 7 this updated online version at http://www.plads.com/m57/monograph/ Update History Preface The Marsh Watch Commentary Contributors Evolution Of The First Successful Industrialized Watch Boston Watch Company Figure 1. Aaron Dennison and Edward Howard Figure 2. The First Watch Factory In America The Howard, Davis & Dennison Watch Figure 3. Howard, Davis & Dennison watches, Boston: No. 3 and No. 2 The Warren Watch The Samuel Curtis Watch Figure 4. Warren No. 44 and Samuel Curtis No. 899 Figure 5. Early Drawing Of The Boston Watch Co. Factory The Dennison, Howard & Davis Watch Figure 6. DH&D Nos. 1016 and 2673 Figure 7. Different Train Arrangements Between Samuel Curtis and Dennison Howard & Davis Figure 8. Different Pillar Positions Between Samuel Curtis and Dennison Howard & Davis Figure 9. Old and New Fastening Arrangements of DH&D Potances Figure 10. Progression Of Pillar Plates On The Curtis and DH&D Table 1. Introduction of DH&D Design Changes The Bankruptcy The Howard & Rice Watch Figure 11. Howard & Rice S/N 6011 Figure 12. Howard & Rice Regulator on S/N 6011 Figure 13. Howard & Rice S/N 6112 Tracy Baker & Co./Appleton Tracy & Co. Figure 14. Sketch of the Waltham Factory as it appeared August 28, 1858 Figure 15. DH&D S/Ns 4546 and 4082 The Appleton Tracy & Co. Watch Figure 16. Three Early Movements from Robbins' factory in July 1857 Figure 16A. New Markings on AT&Co. Barrel Bridges The C.T. Parker and P.S. Bartlett Watches Figure 17. First Run C.T. Parker (S/N 1176) & P.S. Bartlett (S/N 1409) Figure 18. 15J Chas T. Parker 8153 and 11J P.S. Bartlett 8406 Depression of 1857 American Watch Company Figure 19. Rear view of the American Watch Company factory in 1865 The Chronodrometer Watch Figure 20. Sporting Chronodrometer No. 13853 The Model 1859 KW18 Watch Figure 21. Thinner 3/4 Plate Model 1859 KW18 The J. Watson and R.E. Robbins Watches Figure 22. J. Watson S/N 23878, London Figure 23. 11J R.E. Robbins 21580 and 11J P.S. Bartlett 33575 The Wm. Ellery Watch Figure 24. Progression of the Wm. Ellery grade M57 Dennison Pocket Watch Cases Figure 25. Aaron Dennison Used FFS Hallmark On This Case The Home Watch Co. Watch Figure 26. 11J Home Watch Co. Boston & 11J Wm. Ellery Waltham The Waltham Watch Co. Watch Figure 27. Waltham Watch Co Grade M57 882249 Upgrading the Grades Figure 28. 15J AT&Co 365660 and 11J PSB 406849 Crescent Park and Martyn Square Watches Figure 29. 15J Crescent Park and 7J Martyn Square Central Park Watch The Broadway Watch Figure 30. Example Home and Broadway Grade M57 Movements Remaining Model 57 Watches Next Full Plate Models, 1870 and 1877 Figure 31. Model 70KW 520,176 and Model 77KW 1,652901 Custom Watches Figure 32. Example Private Label Model 57 Watches Figure 33A. Example Custom Model 57 Watches Figure 33B. Example Modified Model 57 Watches Fake Model 57 Watches Figure 34. Fake Model 57 Wm Ellery and an AT&Co. Design Changes in the Model 57 Figure 35. Appleton Tracy & Co. Model 57 Stem Wind Position of Serial Number Style of Engraving Figure 36. Early Design Changes on the AT&Co. Grade Model 57 Dials Figure 37. Dial Signed In Script On P.S. Bartlett 560619 Figure 38. Progression of P.S. Bartlett Model 57 Dials Miscellaneous Features Stop Works Figure 39. Four Types of AT&Co. Model 57 Barrels Figure 40. Three Types of AT&Co. Barrel Ratchet Arrangements Top Plate Encircling Barrel Figure 41. Top Plate Barrel Clearance Stem Winds Figure 42. Click Let-Down on Stem Wind Lever Set Movements Figure 43. Waltham Watch Co. SWKS & Home Watch Co. SWKS Figure 44. Inscription “Woerd’s Patents” On Train Side of SW Pillar Plate Figure 45. Early Full “Rocking Bar” SW M57 Movement Number of Jewels Jewels Figure 46. Size Range Of 3rd Wheel Plate Jewel On Model 57s Jewel Settings Figure 47. Fake Jewel Settings on P.S. Bartlett Model 57 Index Scale Figure 48. Sprung Under Model 57 Hairsprings Figure 49. Sprung Under Hairspring with Hidden Stud Balances Figure 50. Composition Balances (Closed/uncut & Expansion) Hairspring Figure 51. Sprung Under versus Sprung Over Hairspring Banking Pins Fogg’s Safety Center Pinion Figure 52. C.W. Fogg’s patented safety center pinion Table 2. Sample Movements finished after Feb 14, 1865, w/o “Fogg’s” Figure 53. Date Inscription of Fogg’s Patent Safety Pinion Table 3. Application of “Woerd’s Patents” & Fogg’s patent date Dust Bands Figure 54. Standard Model 57 Dust Band Table 4. Dust Band Screws in Back Plate Figure 55. Pre-1868 Dust Bands Escapements Figure 56. Right-Angle Model 57 Side-Lever Pallet Figure 57. Six Designs of Model 57 Escape Wheel Figure 58. Howard & Rice Club Tooth Escape Wheel Figure 59. H&R Lever with Clear Vertical Pallet Jewels Features Not Tracked Types of Potances: Figure 60. Four Types of Model 57 Potances Table 5. Change in the ‘U’-bridge Potance to the Cantilevered Potance Style of Click: Figure 61. Pillar Plate Views of 1st Series Click and Spring Winding Square Key Guards: Train Speed: Table 6. Train Speed of Different Movements Types of Mainsprings: Trivial Items: Figure 62. Photo of Fitch Park from The Home of the Waltham Watch Table 7. Summary Range of S/Ns at Which Feature was Introduced Concluding Comments Chronology of the Waltham Watch Company Unsung Hero Aaron Lufkin Dennison Epitaph Edward Howard Epitaph References and Notes References Reference Notes [ref. 100] Serial Number Ledger: [ref. 101] Statistical Analysis Table 1. Surviving Dennison, Howard & Davis Movements Data from Watchcases Table 2. DH&D Watches with Factory Cases [ref. 102] Sales Records: Table 3. DH&D movements from Sales Ledger [ref. 62] [ref. 103] Serial Number Under Top Plate: Table 4. Serial Number under Top Plate [ref. 104] Pay Rolls: [ref. 105] Franklin Dennison’s Collection [ref. 106] Relevant Documents Boston Newspapers Insolvency Records Case No. 116 of Samuel Curtis Case No. 117 of David Davis Case No. 118 of Edward Howard Case No. 119 of Aaron Dennison Registry of Deeds, Norfolk Registry of Deeds, Middlesex Data Tables of Recorded Watches Legend Warren Samuel Curtis Dennison, Howard & Davis Appleton Tracy & Co./Tracy Baker&Co C.T. Parker/Chas T. Parker P.S. Bartlett J. Watson R.E. Robbins American Watch Co. Wm. Ellery Waltham Watch Co. Home Watch Co. A.W.Co. Broadway Crescent Park/Martyn Square Central Park custom watches and private labels Howard & Rice/E. Howard & Co. Sporting Chronodrometer