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 Fig. 1  Fig. 2 | Latitude 19''' Features stem wind and pin set sub second Data 19''', Dm= 42.2mm, Do= 42.9mm H= 6.8mm (ratchet bridge +0.8mm) F= 1.2mm T= 3.4mm 15 jewels f = 18000 A/h power reserve 25h Mainspring / battery 2.60 x 16.5 x 0.20 Hands 1.90 x 0.55 / 0.30mm Comments about the data | Remarks hunter calibre bimetallic screw balance (not cut) ratchet on back side, crown mechanism with rocker bar straight long lever (ligne angulaire) with counterweight and hidden pallets The similarity to early Longines movements (e.g. Longines 18.50) can't be denied, but a relation between Latitude and Longines is not known. I've seen an open-face variant of this calibre with the signature Longitude. After trademark registers and after the case signature this could be assigned to Ernest Degoumois, St.-Imier (CH). So this company was likely also responsible for the calibre shown here, and due to the narrow vincinity to Longines certain contacts can't be denied. Example, year: signature; shock device ca. 1890: Latitude - 262 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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