Import Code HXB Calibers

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Henry Blank & Co. (Newark, NJ) used code HXB to import IWC movements, which were then cased in US-made cases and sold under the 'Cresarrow' brand name. The firm — originally Whiteside & Blank, later Henry Blank & Co. — operated from at least 1912 through the 1950s, supplying cased IWC movements to prestigious US retailers including Tiffany & Co. This arrangement circumvented high US tariffs on complete watches by importing movements separately.

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Manufacturer Movement
IWC 41 IWC 41
IWC Manual 12.97 mm x 17.48 mm
IWC 44 IWC 44
IWC Automatic 17.48 mm
IWC 60 IWC 60
IWC Manual 22.56 mm
IWC 88 IWC 88
IWC Manual 27.07 mm
IWC 89 IWC 89
IWC Manual 27.07 mm
IWC 91 IWC 91
IWC Manual 16.92 mm
IWC 96 IWC 96
IWC Manual 19.74 mm
IWC 150 IWC 150
IWC Electromechanical 29.4 mm
IWC 401 IWC 401
IWC Manual 22.56 mm
IWC 402 IWC 402
IWC Manual 23.69 mm
IWC 403 IWC 403
IWC Manual 23.69 mm
IWC 422 IWC 422
IWC Manual 23.69 mm
IWC 431 IWC 431
IWC Manual 11.84 mm x 15.23 mm
IWC 432 IWC 432
IWC Manual 11.84 mm x 15.23 mm
IWC 630
IWC Manual 23.69 mm
IWC 852 IWC 852
IWC Automatic 29.33 mm
IWC 853 IWC 853
IWC Automatic 29.33 mm
IWC 854 IWC 854
IWC Automatic 28.2 mm
IWC 916
IWC Automatic 30.45 mm
IWC 917
IWC Automatic 30.45 mm
IWC 918
IWC Automatic 30.45 mm
IWC 964
IWC Automatic —
IWC 982 IWC 982
IWC Manual 37.79 mm
IWC 2210
IWC Quartz —
IWC 2250
IWC Quartz —
IWC 3755
IWC Automatic —
IWC 5000
IWC Automatic —
IWC 5011
IWC Automatic —
IWC 7922
IWC Automatic —
IWC 8521
IWC Automatic 29.33 mm