Jaeger-LeCoultre Polaris Mariner Date TPD | Aevitas

If you own a Jaeger-LeCoultre Polaris Mariner Date (Q9068670, Cal. 899), here are the generally recommended watch winder settings. These figures are based on available data for this calibre family.

Recommended Winder Settings

Setting Value
Turns per day (TPD) ~875 (typical)
Winding direction counter-clockwise only
Movement Cal. 899

Why These Settings Matter

A setting of around 875 TPD counter-clockwise only is typically recommended for the Cal. 899. Too many turns causes unnecessary wear; too few and your Polaris Mariner Date will run down and stop. If in doubt, start at 650 TPD bidirectional — the safe default for most modern automatics.

All Aevitas winders offer programmable TPD settings from 650 to 1,850, so you can dial in the right setting for your Polaris Mariner Date.

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