Omega Ploprof 1200M Co-Axial Master Chronometer 55 x 48 mm Black Dial (227.90.55.21.01.001)

Description

Reliable even at 4000 feet beneath the waves, the famous Ploprof timepiece has a long history as OMEGA’s most water-resistant divers’ watch.

While retaining the original sturdy and bold appearance, this new edition has been updated with OMEGA’s Co-Axial Master Chronometer Calibre 8912, featuring revolutionary technology renowned for its anti-magnetic resistance, chronometric performance, and precision.

The unique case includes a polished black ceramic bezel ring, with the numerals, triangle and scale, all filled with Super-LumiNova for increased visibility. Grade 5 titanium has been used as the case and clasp material for lightweight comfort, while the lacquered black dial is complemented by orange aluminum and varnished white hands.

The classic dark style of this watch is ready for the ocean depths, and the polished grade 2 titanium “sharkproof” mesh bracelet further adds to the sense of exploration and adventure.The watch is delivered in a special presentation box along with an additional black rubber strap.

Features

• Anti‑magnetic

  The movement is unaffected by exposure to strong magnetic fields, even those greater than 1.5 tesla (15,000 gauss).

• Bi‑directional rotating bezel

  A bezel which can be turned clockwise or anti-clockwise. Rotating bezels can be used to time events, measure elapsed times, or read second or third time zones.

• Chronometer

  Label given to a watch which has undergone precision tests and received a certificate from an official body (COSC).

• Helium escape valve

  Decompression system which allows helium to escape from inside the watch when the watch is worn for professional use in pressure chambers. (Long-term underwater work, crude oil exploration, etc.)

• Master Chronometer Certified

  Guaranteeing the Swiss industry’s highest standard of precision, performance and magnetic-resistance, as set by the Swiss Federal Institute of Metrology (METAS).

• Screw‑in crown

  Self-locking crown, screwed into the tube of the case, used for highly water resistant divers’ watches.

• Time zone function

  Allows the hour hand to be easily adjusted to different time zones without stopping the watch.

• Transparent case back

  A transparent case back – frequently made of sapphire – makes it possible to see the movement inside the watch.

Technical Data

• Bracelet: titanium
• Case: Titanium
• Case diameter: 55x48mm
• Dial color: Black
• Crystal: Flat scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
• Water resistance: 120 bar (1200metres / 4000 feet)
• Movement type: Self winding

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