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 Fig. 1  Fig. 2 | UMF 24-39 Features manual-wind alarm alarm electrically Data 10.75''', Dm= 24.0mm, Do= 24.4mm H= 5.6mm (balance cock +0.5mm, alarm contact +0.3mm) F= 0.9mm T= 2.6mm 0 jewels f = 18000 A/h power reserve 35h Balance staff U3036 Stem according length with crown W2598, 10.9mm W3027, 13.5mm W3209, 14.0mm (waterproof) W3035, 15.0mm W3089, 16.0mm W3368, 16.5mm (waterproof) Mainspring / battery Zf1396, 1.70 x 10.0 x 0.12 x 290mm Hands 1.50 x 1.00mm Comments about the data | Remarks 1963-1990, ca. 130 Mio (whole family) pin-lever escapement ratchet on dial side, crown mechanism with rocker bar Modifications: 1966: 3-armed spring on regulator 1975: adjustable stud carrier, modified mainspring arbor and friction spring 1976: polymide rocker family: 24-24: transparent discs instead hands, so called Punktuhr 24-26: kids watch, moving eyes 24-30: no second 24-31: sub second 24-32: sweep second 24-33: sweep second, date 24-34: digital display 24-35: sweep second, stop feature 24-39: for alarm Midimatic and Sumatic 24-41: 2 jewels, sub second 24-42: 2 jewels, sweep second Example, year: signature; shock device 1973: 1673, 24-00 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. |
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