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The 89000 family of calibres is a series of high-end flyback automatic chronograph manufacture movements produced by IWC in the 2010's.
IWC had long used a family of automatic chronograph movements based on the Valjoux 7750. These were not only used in basic chronograph watches but complicated pieces, including grande complication and tourbillon watches. Two important complications on that base were the perpetual calendar and rattrapante modules that helped re-establish IWC as a maker of advanced watch movements. IWC had never had a flyback chronograph, however, and many buyers looked down at the pedestrian base on which these complications were developed.
In 2007, IWC introduced a new Da Vinci Chronograph, Ref. 3764 with an all-new in-house movement developed by Kurt Klaus. The new Cal. 89360 was an advanced design with a flyback chronograph, efficient Pellaton winding, and power reserve of 68 hours, even while operating at 28,800 A/h.
- Cal. 89360 (2007-2011)
- Cal. 89361 (2011-present)
- Cal. 89365 (2012-present)
- Cal. 89630 Perpetual calendar (2016-present)
- Cal. 89760 GMT (2016-present)
- Cal. 89800 Digital perpetual calendar (2009-2013)
- Cal. 89801 (2013-present)
- Cal. 89802 (2013-present)
- Cal. 89900 Tourbillon retrograde date (2017-present)
- Calibre Family 89000, iwc.com