Movement record · United States
Waltham Model 1883
Partially verifiedFull-plate 18 size model produced in enormous quantity across many grades, from low-jewel utility movements to adjusted railroad grades.
Technical specifications
- Diameter
- 18 size
- Height
- Varies by grade
- Jewels
- 7 to 21 depending on grade
- Frequency
- 18,000 vph (2.5 Hz)
- Power reserve
- Approx. 36 hours
- Winding
- Stem wind
- Setting
- Lever set and pendant set variants
- Escapement
- Lever
- Balance
- Bimetallic compensation balance on higher grades
- Complications
- Subsidiary seconds
Identification features
- Model identification depends on plate layout and setting arrangement rather than a printed model number
- Serial number on the movement indicates approximate production year via published Waltham tables
Known variants
- Appleton Tracy
- Crescent Street
- P. S. Bartlett
Servicing notes
Wear at the centre-wheel and escape-wheel pivots is common. Mainsprings are still readily obtainable.
General guidance only. Antique movements should be serviced by a qualified watchmaker.
Historical significance
A key study object for mass production: interchangeable parts across grades within a single model.
Related photographs
No confidently matched photograph of this subject has been found yet. These photographs show a closely related record, and are not examples of the type described on this page.
Sources & references
- Waltham factory serial-number records as published by the NAWCC
- Grade-level production figures vary between published sources.
Where sources disagree, the disagreement is stated rather than resolved silently.