Reference:Movements: Difference between revisions
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Document caliber 1560 fitment for reference 1022 |
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Cal. 1560 arrived in 1959 as the chronometer-grade 15xx movement, with a free-sprung balance adjusted to temperature and five positions. Auction catalogues give both 25 and 26 jewels without establishing a pattern. Antiquorum usually describes a Breguet overcoil; its flat-hairspring description for one ref. 1502/1503 is an outlier. | Cal. 1560 arrived in 1959 as the chronometer-grade 15xx movement, with a free-sprung balance adjusted to temperature and five positions. Auction catalogues give both 25 and 26 jewels without establishing a pattern. Antiquorum usually describes a Breguet overcoil; its flat-hairspring description for one ref. 1502/1503 is an outlier. The Oyster Perpetual ref. 1022 is documented with Cal. 1560 by Bonhams, Pandolfini, Adams, and HODINKEE; Tajan describes an automatic movement but names no caliber. | ||
Cal. 1560 uses free-sprung Microstella regulation; Cal. 1530 uses an index. Watches made from 1959 to 1965 were tested by the Bureaux Officiels de Contrôle de la Marche des Montres, usually under collective certificates and to a standard around −1/+10 seconds per day in five positions. COSC did not exist until September 1973, so describing an early 1560 as COSC-certified is anachronistic. | Cal. 1560 uses free-sprung Microstella regulation; Cal. 1530 uses an index. Watches made from 1959 to 1965 were tested by the Bureaux Officiels de Contrôle de la Marche des Montres, usually under collective certificates and to a standard around −1/+10 seconds per day in five positions. COSC did not exist until September 1973, so describing an early 1560 as COSC-certified is anachronistic. | ||
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== Sources == | == Sources == | ||
* [https://catalog.antiquorum.swiss/en/lots/rolex-lot-108-63 Antiquorum, ref. 6567, 1956, Cal. 1030] | * [https://catalog.antiquorum.swiss/en/lots/rolex-lot-108-63 Antiquorum, ref. 6567, 1956, Cal. 1030] | ||
* [https://www.adams.ie/W103-lot-33-ROLEX-REF-1022-OYSTER-PERPETUAL-18K-YELLOW-GOLD-FLORENTINE-FINISH-CASE-A?auction_no=W103&page_no=3&sort_by=lot_no Adams, ref. 1022, 2025, Cal. 1560] | |||
* [https://images3.bonhams.com/original?src=Images%2Flive%2F2015-04%2F23%2FS-22886-0-1.pdf Bonhams, ref. 1022, 2015, Cal. 1560] | |||
* [https://www.pandolfini.it/it/asta-0036-1/orologio-da-rolex-oyster-perpetual-ref-1022--201405270143200 Pandolfini, ref. 1022, 2014, Cal. 1560] | |||
* [https://www.tajan.com/auction-lot/rolex-oyster-perpetual-ref-1022-vers-1964-montre-_FA27968B44 Tajan, ref. 1022, 2014, automatic movement; caliber not stated] | |||
* [https://shop.hodinkee.com/products/1963-rolex-oyster-perpetual-ref-1022-florentine-finish HODINKEE Shop, ref. 1022, 1963, Cal. 1560] | |||
* [https://www.sothebys.com/en/buy/auction/2023/important-watches-online/prince-imperial-reference-1645-a-rolesium-steel Sotheby’s, 2023, Prince Imperial 1645, lot 331] | * [https://www.sothebys.com/en/buy/auction/2023/important-watches-online/prince-imperial-reference-1645-a-rolesium-steel Sotheby’s, 2023, Prince Imperial 1645, lot 331] | ||
* [https://catalog.antiquorum.swiss/en/lots/rolex-ref-1645-prince-imperial-lot-357-321 Antiquorum, 2022, Prince Imperial 1645, lot 321] | * [https://catalog.antiquorum.swiss/en/lots/rolex-ref-1645-prince-imperial-lot-357-321 Antiquorum, 2022, Prince Imperial 1645, lot 321] | ||