![1919 Waltham Depollier Field & Marine “THERMO” the first waterproof watch has finally been found. | by Watch Angels | Watch Angels | Medium 1919 Waltham Depollier Field & Marine “THERMO” the first waterproof watch has finally been found. | by Watch Angels | Watch Angels | Medium](https://miro.medium.com/v2/resize:fit:1400/1*mQuLJhefzEP9xF6CPdFnZg.png)
1919 Waltham Depollier Field & Marine “THERMO” the first waterproof watch has finally been found. | by Watch Angels | Watch Angels | Medium
![Waltham with screwdown crown circa 1918, 8 years before the Rolex Oyster. Rolex really should take all the "first waterproof wristwatch" stuff down from their website. First AUTOMATIC waterproof wristwatch sure. But Waltham with screwdown crown circa 1918, 8 years before the Rolex Oyster. Rolex really should take all the "first waterproof wristwatch" stuff down from their website. First AUTOMATIC waterproof wristwatch sure. But](https://preview.redd.it/waltham-with-screwdown-crown-circa-1918-8-years-before-the-v0-zq16oowr0o7a1.png?width=2020&format=png&auto=webp&s=60dd4c1076f362f624e3710880758abe51d7c17f)
Waltham with screwdown crown circa 1918, 8 years before the Rolex Oyster. Rolex really should take all the "first waterproof wristwatch" stuff down from their website. First AUTOMATIC waterproof wristwatch sure. But
![1919 Waltham Depollier Field & Marine “THERMO” the first waterproof watch has finally been found. | by Watch Angels | Watch Angels | Medium 1919 Waltham Depollier Field & Marine “THERMO” the first waterproof watch has finally been found. | by Watch Angels | Watch Angels | Medium](https://miro.medium.com/v2/resize:fit:1400/1*Dl_nh_Jox0e4LXs7Umi53A.png)
1919 Waltham Depollier Field & Marine “THERMO” the first waterproof watch has finally been found. | by Watch Angels | Watch Angels | Medium
![1919 Waltham Depollier Field & Marine “THERMO” the first waterproof watch has finally been found. | by Watch Angels | Watch Angels | Medium 1919 Waltham Depollier Field & Marine “THERMO” the first waterproof watch has finally been found. | by Watch Angels | Watch Angels | Medium](https://miro.medium.com/v2/resize:fit:1400/1*CplgVep0gYxKbhzkWF-O0A.png)