 | Ranfft Watches | Pink Pages for Timepieces |
|
|
.
|
|
| Index | Timepiece Archive, Categories | Archive: Watch Movements | Timepiece Market |
 Fig. 1  Fig. 2 | Gruen 270 Features manual wind Data 6.75 x 7.75''', Dm= 15.35 x 17.2mm Do= 15.35 x 17.5mm H= 3.4mm F= 1.0mm T= 1.5mm 17 jewels f = 18000 A/h power reserve 36h Balance staff U1866 Stem W2165 Mainspring / battery Zf649, 1.20 x 6.5 x 0.08 x 190mm original: 1.18 x 6.5 x 0.08 x 200mm Hands 0.95 x 0.50mm Comments about the data | Remarks 1936- Breguet hairspring family/generations: flat haispring: 210: 17 jewels 210SS: 17 jewels, sweep second 211: 15 jewels 211SS: 15 jewels, sweep second 212: 7 jewels Breguet hairspring, different crown mechanism: 215: 17 jewels 216: 15 jewels 215SS: 17 jewels, sweep second 216SS: 15 jewels, sweep second suffix R: Incabloc Breguet hairspring, different crown mechanism like 210...: 270: 17 jewels 270SS: 17 jewels, sweep second 271: 15 jewels 271SS: 15 jewels, sweep second 272: 7 jewels Example, year: signature; shock device ca. 1945: 1-51515, GXC, Gruen Watch Co, Conoruma, 17 Jewels (Gruen 271SS, sweep second) 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! |
|
