OP, something else to consider regarding in house B01 v ETA movement, aside from the greater power reserve,
The B01 comes with a five year warranty v. Two years for the ETA.
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Rolex 228235 DD40 Olive, 126710BLRO, 116710BLNR, 116613LB, 116500LN White, 126610LN, 116500LN Black, 126610LV, 116610LV, 126334 Blue Diamond
Breitling Navitimer 01, Cartier Santos Large
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