Discuss calibers, share photos, and improve our database together on Discord
Join Community
Updates to data and images are welcome from our readers.
Brac 547
Basic Information
| Name | Brac 547 |
|---|---|
| Manufacturer | Brac |
| Launch Year | 1980 |
| Caliber Family | Description without/with date respectively: 500/510: 12" , no second 501/511: 12" , sub second 502/512: 12" , sweep second 503/513: 13" , no second 504/514: 13" , sub second 505/515: 13" , sweep second 506/516: 13.5" , no second 507/517: 13.5" , sub second 508/518: 13.5" , sweep second 547 : chonograph Related calibers Brac 500, Brac 501, Brac 502, Brac 503, Brac 504, Brac 505, Brac 506, Brac 507, Brac 508, Brac 510, Brac 511, Brac 512, Brac 513, Brac 514, Brac 515, Brac 516, Brac 517, Brac 518, Brac 547 |
| Is COSC certified | Yes |
Technical Details
| Lignes Dimensions | 13.5 ‴ |
|---|---|
| Dimensions | 30.45 mm |
| Height | (not set) |
| Further Measures | Nominal Diameter (Dn): 30.46mm |
| Power Reserve | (not set) |
| Frequency | 18,000 vph |
| Jewels | 1 |
Complications and Specifications
| Shape | Round |
|---|---|
| Complications |
|
| Regulator Type | Pinned Regulator (or Index Regulator) |
| Movement Type | Manual |
| Escapement Type | Pin Lever |
| Control Type | Balance Wheel |
| Winding Type | Stem Winding (Crown) |
| Setting Type | Stem Set (Crown Pull) |
Additional Information
| Hand Sizes | 2.00 x 1.20mm |
|---|---|
| Hand Count | 2 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: pin-lever escapement indirect minute, hand friction clutch on barrel (Roskopf type) Other data: balance staff: U3251 / U3252 balance with impuls pin/fingern stem: W3210 mainspring / battery: 1.25 x 14.0 x 0.125mm |
| Signature | ca. 1980: Basis Watch ZZ, Swiss, 1 Jewel - Brac 547; Ruby-Shock |
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Jan 28, 2024, 11:32:15 PM |
Loading...