This page is dedicated to one of the most iconic watches in dive watch history – the Omega Seamaster. Since 1957 this stunning timepiece has adourned the wrists of movie stars, celebrities, entrepeneurs, sports-stars and yes – even DIVERS.

All images are courtesy of Omega Watches (1)

Summary range overview

Currently Omega have more than 50 different dive watch models in their Seamaster range. As far as genuine dive watches (200m or deeper) is concerned they have 4 primary model lines. The Seamaster Professional Diver 300m, the Seamaster 300 (rebirth of a classic model), the 600m certified Omega Seamaster Planet Ocean and finally the 1200m Omega Ploprof.

Diver 300

Diver 300m

Seamaster 300

Seamaster 300m

Planet Ocean

Planet Ocean

Ploprof

Ploprof 1200m

Birth of an Icon

Omega launched their first official dive watch in 1948 – the Omega Seamaster – a name now synonymous with quality and underwater reliability. The first models utilised their many years producing military grade watches with high levels of water resistancy – not normally found on other watches of that time.

Fast forward 9 years to 1957 and we have their first 300m version. The Seamaster had most definitely arrived and quickly established itself as the must have watch for professional divers. In 1963 Jacques Cousteau – a renowned oceanographer & diver – wore the Seamaster 300m. His entire team wore the watch throughout their Conshelf II experiments in the Red Sea – a very impressive endorsement indeed.

Recognising different model lines

A glance at any of the current models should be time enough to determine which stable it belongs to. If BOTH hands have arrowhead pointers – it’s an Omega Planet Ocean. If just the hour hand has the arrowhead it’s the Seamaster 300. If both hands are hollow, with a triangular luminous marker on the minute hand and round luminous marker on the hour hand, it’s a Seamaster Diver 300m. If it’s an Omega Ploprof … it’s obvious with it’s distinctive helium release valve.

Omega Seamaster Diver 300m

Introduced in 1993 – the Omega Seamaster Professional Diver 300m has established itself as a must have watch for everyone from athletes & sailors to celebrities and James Bond

Limited Edition of 007’s favourite. The Omega Seamaster Diver 300 – Commander’s watch

Omega Seamaster Diver 300m for sale – UK


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Omega Seamaster Diver 300m for sale – USA


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Omega Seamaster 300

Omega introduced the Seamaster 300 in 1957. Designed specifically for divers and professionals who worked underwater. Half a century later and this classic timepiece makes a comeback. Now completely upgraded and enhanced – ready for a new generation of adventurers.

Subtle aesthetic changes – major innovations in technology – the Omega Seamaster 300

Omega Seamaster 300 for sale – UK


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Omega Seamaster 300 for sale – USA


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Omega Planet Ocean – our favourite

In our view – perfection – the Planet Ocean 600M with Co‑Axial Master Chronometer 43.5 mm

At ChronoDivers.com we do have a favourite – and that’s the Planet Ocean. Whether it’s the aesthetic beauty, the distinctive arrowhead hands or the mechanical wizardry of the Omega Master Chronometer calibre 8900 visible through the transparent caseback. We don’t know – probably a culmination of everything that make the Seamaster Planet Ocean one of the most desirable dive watches on the market.

Omega Master Co-Axial 8900 Calibre seen through the transparent caseback

Everything about the Planet Ocean is a blatant statement in quality and master craftsmanship. The watch is certified by The Swiss Federal Insitute of Metrology to Master Chronometer status. To achieve such an accolade it is subjected to 8 rigorous tests.

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Used / Pre-worn models

Note – when listing this model online sellers sometimes erroneously call a “Seamaster Diver 300” a “Seamaster Planet Ocean”. We try to filter these watches from this category but sometimes they still get listed. Remember – the Seamaster Planet Ocean has an arrowhead on BOTH the hour hand and the minute hand. If it’s got the hollow hands with luminous circle on the hour and triangle on the hour – it’s officially an Omega Seamaster Diver 300m. If it’s got the arrowhead on only the hour hand – it’s a Omega Seamaster 300.

If in doubt please refer to the Omega website (2)

Omega Planet Ocean for sale – UK


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Available online now

Chronodivers.com is an affiliated partner of Amazon.com. Here’s a selection from their range of Omega Planet Ocean watches


Omega Planet Ocean for sale – USA


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Omega Ploprof – 1970 to today

If extreme depth is an essential requirement then the watch that goes deeper than most is the Omega Ploprof. The Ploprof is a term adopted by Omega for their 1200m water resistant profesional divers watch. The watch’s name says it all – Ploprof – is an abbreviation of the French for professional diver – plongeur professionnel.

The Omega Ploprof 2016 model with titanium case and automatic helium escape valve

When first introduced in 1970 it was rated to 600m. The new version – released in 2016 – is rated to 1200m. Featuring a titanium with ceramic bezels (some models) and the OMEGA Co-Axial and Master Chronometer calibres. The new Omega Ploprof assures it’s lucky owner of the highest levels of accuracy and reliability.


Omega Ploprof watches for sale – UK


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Omega Ploprof watches for sale – USA


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Diver 300

Diver 300m

Seamaster 300

Seamaster 300m

Planet Ocean

Planet Ocean

Ploprof

Ploprof 1200m

External references / further reading

  1. Omega Watches official website
  2. Omega Watches – Seamaster 300