 | Ranfft Watches | Pink Pages for Timepieces |
|
|
.
|
|
| Index | Timepiece Archive, Categories | Archive: Watch Movements | Timepiece Market |
 Fig. 1 | Citizen 7230 Features automatic sweep second day date: quickset hack feature Data 12.5''', Dm= 28.05mm, Do= 28.4mm H= 4.8mm (ball bearing +0.35mm) F= 1.15mm T= 1.8mm 28 jewels f = 36000 A/h Stem Citizen 065-99 Hands 1.52 x 1.00 x 0.17mm Comments about the data | Remarks 1970- chronometer jewel bearings for barrel family/generations: 7200, 7210, 7220: 28800 A/h, 26 jewels, day, date 7230: 36000 A/h, 28 jewels, day, date, chronometer, hack 7270: 28800 A/h, 21/23/25 jewels, day, date 7280: 28800 A/h, 23 jewels, day, date 7290: 28800 A/h, 21/23/25 jewels, day, date, hack 7400: 36000 A/h, 31 jewels, date 7430: 36000 A/h, 28 jewels, day, date, chronometer, hack 7450: 21600 A/h, 21 jewels, date, 12h- and 24h hand 7470: 21600 A/h, 21 jewels, date 7610, 7620: 28800 A/h, 26 jewels 7611: 21600 A/h, 25 jewels, skelettonized, hack 7700: 28800 A/h, 24 jewels, day, date 7710: 28800 A/h, 26 jewels, day, date 7730, 7740: 36000 A/h, 28 jewels, day, date 7750: 36000 A/h, 31 jewels, date 7760: 28800 A/h, 26 jewels, date, golf score counter Example, year: signature; shock device ca. 1975: R, Citizen, 28 Jewels; Parashock © M. Lorenz  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! |
|
