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 Fig. 1  Fig. 2 | Cyma 19'''3 hunter Features stem wind and set sub second Data 19''', Dm= 41.85mm, Do= 43.15mm H= 6.7mm F= 0.5mm T= 2.6mm 15/16 jewels f = 18000 A/h power reserve 31h Balance staff U1102 Stem W1601 Mainspring / battery 2.95 x 17.0 x 0.19mm Hands 1.76 x 1.10 / 0.28mm Comments about the data | Remarks hunter calibre Breguet hairspring negative stem mechanism for US market family/generations: old designation / hunter / open face respectively H= 5.35mm, normal stem mechanism: 19'''B / 914 / 915: just separate cock for escape wheel 19'''2B / 920 / 921: 1 bridge, 2 cocks for train 19'''5B / 950 / 951: 1 bridge for train 19'''7 / 970 / 971: just separate cock for escape wheel 19'''9B / 990 / 991: 1 cock for train, except center wheel 19'''10B / 900 / 901: 1 bridge, 2 cocks for train, excape-wheel cock modified H= 5.35mm, negative stem mechanism: 19'''1B / 910 / 911: 1 bridge, 2 cocks for train 19'''3B / 930 / 931: 2 cocks for train 940 / 941 (Cyma 19'''4B): 1 bridge for train 19'''6B / 960 / 961: 1 cock for train H= 6.7mm, negative stem mechanism: 19'''1 / 918 / 919: 1 bridge, 2 cocks for train 19'''3 / 938 / 939: 2 cocks for train 19'''9 / 998 / 999: 1 cock for train, except center wheel suffix a: flat hairspring H= 5.0mm, normal stem mechanism: 19'''15 / 954 / 955: 3 cocks for train Example, year: signature; shock device 1936: J.W. Benson, Ref.938a, Swiss Made, 15 Jewels - 18133329 (Cyma 938a, flat hairspring) 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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