This caliber JLC 899 was found in a Jaeger-LeCoultre Master Control Date in 18K gold (reference 176.2.40.S aka Q1542520). Each caliber 899 is said to be tested rigorously for 1,000 before leaving the factory.
Ultra Flat
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My Swiss Military Hanowa Black Marlin diver's watch has this movement. Very accurate, upto +-2…
My Swiss Military Hanowa Dark Knight has this same movement. Accuracy is comparable to the…
Newer L899 calibres have a power reserve of 72h according to Longines
would it be a chance the cal 0950 is a downgrade version from Cal 0910?
Out of box 1ms Beat Error. +1 sec a day. Can't beat that.
Where can i order this cal eta 988.333?
To me exciting would be if they add Si2 escapement components (balance wheel, balance spring…