 | Ranfft Watches | Pink Pages for Timepieces |
|
|
.
|
|
| Index | Timepiece Archive, Categories | Archive: Watch Movements | Timepiece Market |
 Fig. 1  Fig. 2 | Brac 40 Features manual wind sweep second Data 13''', Dm= 29.2mm, Do= 30.3mm H= 4.8mm (winding gear, balance- and lever cock +0.6mm) F= 0.55mm T= 2.9mm 0 jewels f = 17280 A/h power-reserve 27h Balance staff U1997 / U1363 pulse pin/finger Stem W1156 Mainspring / battery 1.25 x 15.5 x 0.16mm Hands 2.03 x 1.41 x 0.35mm Comments about the data | Remarks pin-lever escapement indirect minute, hand friction clutch on barrel (Roskopf type) ingenious: one simple part replaces setting-lever spring, yoke, and yoke spring differences not known between 40, 91 family: 37: 13''', without second 39: 13''', sub second 40, 91: 13''', sweep second 41: 13''', sweep second, start/stop, 1 pusher 42, 90: 13''', sweep second, start/stop, 2 pushers 43: 13''', sweep second, date 50: 13.5''', sweep second 51, 52: 13.5''', further features not known 92: 15''', sweep second 93: 15''', sweep second, date Example, year: signature; shock device ca. 1950: Swiss - Brac, 40 Not for Sale! The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating. |
| bidfun-db 21.3 © 02-08-15, mtr-Ranfft |
 ...the alternative - free of charge! |
|
