Buren ???
Description
This "Grand Prix" movement from Buren is a pretty old form movement, probably
from the 1930ies. It's high quality can be seen on the stripes decoration and
on the bimetal balance with screws. Bimetal balances were not often used
in tiny ladies' movements. They reduce the running errors, which occur due to
temperature changes to a minimum.
An interesting detail is the missing color on the "R"etard/"S"low marking of the
balance cock. What might be the reason?
Technical data
| Manufacturer | Buren |
| Caliber | ??? |
| Number of jewels | 17 |
| Escapement | Anchor with pallets |
| Balance | Bimetal screw balance |
| Shock protection(s) | none |
| Balance cock direction | counterclockwise |
| Hairspring stud | fixed |
| Regulator type | Long regulator arm |
| Movement construction | Fork Escapement wheel, Fourth wheel, Third wheel, Center wheel Mainspring barrel |
| Functions | Hour, minute |
| Beats per hour | 18000 |
| Size | 53/4 x 81/2''' |
|
| Factsheet |
Usage gallery