/ / / Omega Seamaster Professional PloProf NWW 2171

Omega Omega Seamaster Professional PloProf NWW 2171

Omega Seamaster Professional “PloProf” 600m/2000ft

Omega Seamaster Professional 600m/2000ft Ref. 166.077. It has had an Omega service in 2006 and comes with an Omega warranty repair card. During this service it appears to have had a service dial, hands and bezel. It alco somes with a secondary retialers sales receipt from Borgello in 2017. The wathc is also known as the “Ploprof“ which is an abbreviation for PLOngeur PROFessionnel, which is the French translation of the words “Professional diver”. This watch dates from approximately 1970, and is one of the most sought after and collectable of all Omega watches. It is an ultra-resistant and super waterproof automatic watch for professional divers. Monoblock case with screwed crown, protected by a locking nut at nine o'clock, bi-directional notched bezel with locking system controlled by a push-button (red button at right). It was used by Commander J. Cousteau during a series of experiments at depths of around 500 metres. It has an automatic calibre 1002 with hacking seconds and quickset date facilities. As can be seen from the pictures it is a large, sturdy and substantial diver’s piece of equipment. This type of watch is referred to as an instrument watch and no truer word here as the Ploprof is certainly a professional diver’s instrument due to it’s durability weight and non conventional shape. Worn on the wrist for everyday use however, is not out of the question. It is not so large that it is out of the ordinary, but is certainly an eye catching and conversational watch. This one has a beautiful dark blue dial with contrasts very nicely against the large orange minute hand. This hand is so coloured due to the harsh visibility issues at deep depths. The rotating bezel is secured in place an impossible to move unless the large red button is engaged to release the safety catch. The time cannot be accidentally altered due tot he locking nut. This can be regarded as an extreme watch for extreme sporting or professional diving.

Case: Stainles Steel Monoblock
Water: resitance: 600m (not tested)
Crown: Screw Down
Movement: Omega Automatic calibre 1002
Bezel: Rotatign with push button locking mechanism
Bracelet: Omega Mesh, later addition
Weight 160gramm
Width 45 mm
Length 55 mm

Key Characteristics

Brand: Omega
Band: Steel Bracelet
Case Material: Steel
Condition: Good
Movement: Automatic
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Additional Product Details

Omega Watches. Founded at La Chaux-de-Fonds, Switzerland in 1848 by 23-year-old Louis Brandt who assembled key-wound precision pocket watches from parts supplied by local craftsmen. He travelled throughout Europe selling his watches from Italy to Scandinavia by way of England, his chief market. After Louis Brandt's death in 1879, his two sons Louis-Paul and Cesar, troubled by irregular deliveries of questionable quality, abandoned the unsatisfactory assembly workshop system in favour of in-house manufacturing and total production control. Due to the greater supply of manpower, communications and energy in Bienne, the enterprise moved into a small factory in January 1880, then bought the entire building in December. Two years later the company moved into a converted spinning-factory in the Gurzelen district of Bienne, where headquarters are still situated today. Their first series-produced calibres, Labrador and Gurzelen, as well as, the famous Omega calibre of 1894, would ensure the brand's marketing success. Louis-Paul and Cesar Brandt both died in 1903, leaving one of Switzerland's largest watch companies - with 240,000 watches produced annually and employing 800 people - in the hands of four young people, the oldest of whom, Paul-Emile Brandt, was not yet 24. Considered to be the great architect and builder of OMEGA, Paul-Emile's influence would be felt over the next half-century. The economic difficulties brought on by the First World War would lead him to work actively from 1925 toward the union of OMEGA and Tissot, then to their merger in 1930 within the group SSIH, Geneva. Under his leadership, then that of Joseph Reiser beginning in 1955, the SSIH Group continued to grow and multiply, absorbing or creating some fifty companies. By the seventies, SSIH had become Switzerland's number one producer of finished watches and number three in the world. Weakened by the severe monetary crisis and recession of 1975 to 1980, SSIH was bailed out by the banks in 1981. Switzerland's other watchmaking giant ASUAG, principal producer of movement blanks and owner of the Longines, Rado and Swatch brands, was saved in similar fashion one year later. After drastic financial cleansing and a restructuring of the two groups' R&D and production operations at the ETA complex in Granges, the two giants merged in 1983 to form the Holding ASUAG-SSIH. In 1985 the holding company was taken over by a group of private investors under the strategy and leadership of Nicolas Hayek. Immediately renamed SMH, Société suisse de Microélectronique et d'Horlogerie, the new group achieved rapid growth and success to become today's top watch producer in the world. Named Swatch Group in 1998, it now includes Blancpain and Breguet. Dynamic and flourishing, OMEGA remains one of its most prestigious flagship brands