NOS Waltham 18s Pocket Watch Model ’57 Key Wind 277 Sprung Over Balance Staff
USD 24.95 USD
Specifications
| Compatible Brand | Waltham |
| Brand | Waltham |
| Type | Balance Staff |
| Compatible Model | 1857 |
This is a listing for a NOS Waltham 18s model 1857 key wind 277 Sprung Over balance staff for the P.S. Barton grade, and the Appleton Tracy & Co grade with an unknown pivot size that is in very good unused condition. Please see my other listings for additional Waltham parts.