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November 2026
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References
Calibres
IWC 89361
Calibre
IWC 89361
In 63 watches by IWC Schaffhausen
Kind
Automatic
Beat
28,800 beats an hour (4 Hz)
Power reserve
68 hours
Jewels
38
Watches from
2008 to 2020
Watches that use it
All 63 watches
4
photos
IWC Schaffhausen
2020–present
Portugieser Yacht Club Chronograph
IW390701
5
photos
IWC Schaffhausen
2020–present
Portugieser Yacht Club Chronograph
IW390702
5
photos
IWC Schaffhausen
2020–present
Portugieser Yacht Club Chronograph Edition “Orlebar Brown”
IW390704
Other IWC calibres
All calibres
IWC 79261
129 watches
IWC 79230
93 watches
IWC 30110
88 watches
IWC 79350
74 watches
IWC 35111
70 watches
IWC 79320
66 watches
IWC 37521
46 watches
IWC 7922
45 watches
IWC 79251
42 watches
IWC 69385
36 watches
IWC 32111
34 watches
IWC 51111
34 watches