Testing the Omega Seamaster Proof

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In this feature from the WatchTime archives, the Omega is tested by us Seamaster Ploprof, a re-edition of the vintage divers’ watch from 1970 with twice the original’s water-resistance and a produce caliber. Scroll down for the total results, plus a gallery of original photos by Nik Schölzel.

The initial Omega Ploprof’s water-resistance of 600 meters was extraordinarily high because of its day.
The Ploprof achieved fame in the wake of the spectacular underwater missions where it participated. The main of the was the Janus Program, with which Comex examined saturation diving for the Elf petroleum company. Three divers manned a pressured chamber 200 meters below the top of Gulf of Ajaccio, off Corsica, for eight consecutive times, where they done the seafloor at 250 meters’ depth for six hours every day, setting a fresh depth record. Rolex at the moment was tinkering with the helium valve, which it used for the very first time in the Sea-Dweller in 1971, but Omega pursued a different strategy using its Ploprof: the situation was built and protected so that helium atoms couldn’t penetrate it through the saturation dive, avoiding the threat of explosion through the subsequent decompression.

Small changes are also made on the dial. The day is no more located at the 3 o’clock position but has been shifted to 4:30. A luminous index occupies that space at 3 o’clock now, increasing the dial’s very symmetrical appearance. The luminous indices on the new model are polished and applied, making the dial look a lot more valuable than it experienced appeared with the old lacquered indices. The same holds true for the stainless-steel button that unlocks the bezel. It is surrounded by an orange, anodized aluminium band, which replaces the old model’s rubber band. The mixture not only appears better, but it’s also significantly harder.

The brand new rotatable bezel is considerably sturdier, too. Its predecessor have been manufactured from Bakelite, nonreflective covering on its external surface means that it remains readable under all light conditions.

Another alteration simplifies the procedure. The rectangular crown on the initial Ploprof have been arranged flush using its protector; the wearer got to carefully turn a screw before the protector to use the crown. Also, leading area of the shut protector moves combined with the crown, which is simple to understand and to change.

Omega Seamaster Ploprof back
In contrast to the original’s one-part case lacking any starting in the trunk, the new Ploprof comes with an applied caseback kept with a screwed ring.
it could be used in the most common way to change the hour hands and minute hands and also to stop the total amount, ın its first position, it could be considered reposition the hour submit single-hour increments as the mere seconds hands maintains operating, which also resets the day screen either ahead or backward. Thus,

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