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November 2026
New moon
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References
Calibres
IWC 51950
Calibre
IWC 51950
In 7 watches by IWC Schaffhausen
Kind
Automatic
Beat
19,800 beats an hour (2.75 Hz)
Power reserve
168 hours
Jewels
54
Watches from
2017 to 2025
Watches that use it
All 7 watches
5
photos
IWC Schaffhausen
2025–present
Big Pilot’s Watch Perpetual Calendar Tourbillon Le Petit Prince
IW504901
5
photos
IWC Schaffhausen
2024–present
Portugieser Perpetual Calendar Tourbillon
IW504506
5
photos
IWC Schaffhausen
2020–present
Portugieser Perpetual Calendar Tourbillon
IW504504
5
photos
IWC Schaffhausen
2020–present
Portugieser Perpetual Calendar Tourbillon
IW504505
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 89361
63 watches
IWC 37521
46 watches
IWC 7922
45 watches
IWC 79251
42 watches
IWC 69385
36 watches
IWC 32111
34 watches
