NOT FOR SALE
Circa 1940's or maybe earlier doctor's watch.
Notice the wording on the dial 'Gradue Pour 15 Pulsation'. This is used by medical doctor to count the pulse rate of ones heartbeat.
This kind of dials are pretty rare.
A very collectible and high in value watch.
All functions including chronograph are working well.
Look nice in Nato strap, or just simply elegant with lizard band.
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UPDATE
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I finally found the original NOS sparepart for the crown.
And here are the more-satisfying new look :)