Sensor for wearables altitude measurement

Apparently, four pressures are available for new design, BMP581, 390 and the "robustness against water" 585 and 384.

Which is most suitable for cell energy limited, high accuracy wearable application? 

No immersion under water.  Sensor  inside casing (with small 'protected' hole for air flow) and useable with mild rain.  The small-sized non 'robust against water' type is good, right? 

How would you comment on the accuracy of the four sensors?    Many thanks

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