Amanico's exploration of the Jaeger-LeCoultre Ref. E 333 offers a fascinating look into the brand's early innovations in water-resistant timepieces. His post, featuring examples from the Manufacture's Heritage Gallery and a private collection, highlights the historical significance of this reference as JLC's first 'Etanche' watch. This deep dive provides valuable context for understanding the evolution of water resistance in watchmaking.
In 2011, during a visit at the Manufacture, the curator of the Heritage Gallery showed me this Watch.
I had the opportunity to see another E 333, in Paris. With a different dial and another set of hands, which are full blued, and not filled with luminous.
The E 333 is the first to receive the E prefix, which stands for " Etanche " / Waterproof, in English. Here, we are circa 1939.
The first to have a screw in case back, then. While some had a screw in crown, or not.
The crown is slightly over sized, as you can see here.
When removing the case back, I had the surprise to discover a dust cover, above the movement.
Some pictures of the Cal 438, beating Inside.
Quite nice to see, despite a moderate lovel of decoration. Sensual bridges, some bevels, but no Geneva Waves.
Ok, Jaeger Lecoultre is not the first to have offered water resistant watches, since Rolex did it at least 10 years before, and communicated through Mercedes Gleitze and the fact that she crossed the Channel with her Rolex Oyster on her wrist, in 1929.
But this is an important Watch for a vintage JLC lover, as this is the first " E " of the kind.
In the last 4 years, this is only the second I saw. And when doing a research on the net, I only saw another one. Certainly not the kind of Watch you see everyday!
Best,
Nicolas
This message has been edited by amanico on 2015-09-10 01:35:44 
