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 Fig. 1  Fig. 2  Fig. 3  Fig. 4  Fig. 5  Fig. 6  Fig. 7 | Zodiac 72B Features automatic sweep second date: quickset by repeated pushing the crown hack feature Data 11.5''', Dm= 25.6mm, Do= 26.0mm H= 5.1mm F= 1.4mm T= 2.0mm 21 jewels f = 21600 A/h power reserve 40h Balance staff U2839 Stem W3315 Mainspring / battery 1.10 x 10.0 x 0.11mm Hands 1.50 x 0.90 x 0.21mm Comments about the data | Remarks Triovis micrometer regulator The base movement has 17 jewels. The use of 4 jewels in the automatic varies: In the first example the pawl wheels have upper and lower jewel bearings, and the reduction gear is supported by steel "jewels". In the second example the pawl wheels have only upper jewels, and the reduction gear is supported by two jewels (right in Fig.5). The family is based on the manual wind calibre AS 1687/1688. The automatic mechanism is a joint development of Doxa, Eberhard, Favre-Leuba, Girard-Perregaux, and Zodiac. family: 21600 A/h: 61: manual wind 68: manual wind, date 70: automatic 72: automatic, date 74: automatic, calendar 75: automatic, 24h display, date 76: automatic, day, date 36000 A/h: 78: automatic, date 86: automatic, day, quickset date 88: automatic, quickset date suffix A: enhanced precision regulator suffix B: quickset date suffix D: high hand fittings for Astrographic models (mysterious display) only know variants listed Example, year: signature; shock device 1-4) ca. 1970: 72B, Zodiac Ltd., Adjusted, Swiss, 21 Jewels; Incabloc 5-7) ca. 1975: 72B, Zodiac Ltd., Adjusted, Swiss, 21 Jewels; Incabloc (date at 6h) 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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