Omega Seamaster Planet Ocean 4th Generation launching

Omega Seamaster Planet Ocean 4th generation comes with a completely redesign and no Helium escape Valve. Available now in 3 colors

Daniel Razvan
12 Min Read

Omega Seamaster Planet Ocean 4th generation is here! I have seen the teasers, and from the first pic, which was just an orange background, I knew that we will see the launch of Omega Seamaster Planet Ocean. I didn’t really like the last generations, too big for me, the design wasn’t my favourite. But this one, oh Boy! This one is beautiful and it’s completely redesigned!

Omega Seamaster Planet Ocean 4th Generation – What’s new?

They put a lot of work on this one, and you can clearly see that at the first glance. It’s a completely new watch!

Redesigned Case

Omega designers drew inspiration from Seamaster models released in the 80’s and 90’s creating what they call a “fitted” design with sharp surfaces. It is a clear departure from the softer curves of previous generations.

The case now measures 42 mm in diameter with a slimmer thickness measuring only 13.79 mm down from 16.1mm in the third generation. The reduction makes a substantial difference on the wrist, The lug-to-lug measurement comes in at 47.5 mm which makes the watch more compact.

The slimmer profile achieved true technical innovations, including a flat sapphire crystal and streamlined case and bezel construction. The case is from two pieces and  the main one is a stainless-steel body, the second piece is an inner titanium ring, This provides the structural strength needed for the watch’s 600 meter water resistance.

Helium Escape Valve is Gone!

Seems like Omega listened to the clients for  this one. They removed the Helium Escape Valve, which from what I saw on my Omega Seamaster 300m Professional Review, you guys don’t like that Valve. 

Anyway this is maybe the most notable change because it was a signature feature for the Omega Dive watches for 2 decades. 

Titanium Caseback

This is new. But we lost the sapphire display caseback that we had on recent models. The fourth generation of Omega Seamaster Planet Ocean uses a screw-in Grade 5 Titanium caseback. 

This design choice reduces weight, which is always welcomed, but also enhances the structural integrity and contributes to the watch slimmer profile.

The caseback has a waved edge design with laser engravings including the “Seamaster” and “Planet Ocean” text, the water resistance rating and the iconic Seahorse emblem. 

Omega Seamaster Planet Ocean 4th Generation Colors

The new collection of Omega Seamaster Planet Ocean comes in three color variants all featuring matte black dials. And I already know my favourite color. 

Orange Models

Well, it was the color that Omega teased on social media platforms, that’s how I knew we will see a new Planet Ocean watch. THis signature colorway remains a cornerstone of the Planet Ocean collection. 

Omega spent a lot of time perfecting its ceramic craftsmanship in order to achieve a vivid new orange color for the zirconium oxide ceramic bezel inserts. 

The dial features matte orange varnished Arabic numerals, and the bezel has a white hybrid ceramic diving scale. It is available with a stainless steel bracelet , black rubber strap or orange rubber strap.

Blue Models

This one is my favorite variant. It looks amazing! This version pairs matte white Arabic numerals on the dial with a blue ceramic bezel insert. The diving scale has white enamel numerals and markings. These models come with a stainless steel bracelet or black rubber strap. 

Black Model

This model is the “simplest” one. It has a more understated aesthetic Arabic numerals, which are rhodium-plated on the dial. Also features a black ceramic insert with white enamel diving scale. Same like the blue model, it comes with a stainless steel bracelet or a black rubber strap.

Dial Design and Details of Omega Seamaster Planet Ocean

Each dial, no matter what color we are talking about, maintains Planet Ocean’s signature elements, including the distinctive arrowhead hands and bold applied indexes filled with Super-Luminova. 

The luminous materials follow Omega’s standard color scheme: blue color for the hour hand and indexes and green for the minute hand and bezel pip.

The Arabic numerals have been redesigned and now are squarer with more open-work appearance that echoes the typography of the original Planet Ocean which was released in 2005. It complements the new angular case design. All dial text is rendered in white which offers maximum clarity.

We don’t have a date window, which was standard on most Planet Ocean models. I think it’s a mistake with this one, I like my watches to have a date window. 

New Bracelet Design

This one I love, and I would have liked to have it on my Omega Seamaster as well. The bracelet upgrade is one of the most significant changes in the fourth generation Planet Ocean. 

The new design has flat links arranged in a brushed-polished-brushed sequence which creates a nice pattern in my opinion. 

The bracelet tapers from 21mm at the lugs to 16.5mm at the clasp and measures just 3.5 mm thick. Which can be more comfortable. 

The bracelet is integrated into the case design , meeting the lugs seamlessly. It includes the Omega tolless micro-adjustments system with six positions covering 9.70 mm of adjustment range. It also has an extra diver extension measuring 23.6 mm. The clasp itself measures 40mm or 51.5 mm including the fixed links.

For those preferring the rubber variant, the straps feature a rectangular pattern with knurled texture on the outside, flanked by matte stripes. The interior includes a wave pattern which is also found on Seamaster Diver 300M rubber straps. 

Both bracelets use traditional attachment methods without quick-swap systems. 

Movement Caliber 8912

This movement was previously used in  the Ultra Deep models. Omega CO-Axial MAster Chronometer Caliber 8912 it’s a self-winding movement with bi-directional winding which operates at a frequency of 3.5 Hz (25,200 vibrations per hour) and provides 60 hours power reserve. 

The movement has 38 jewels and meets the highest standards of precision, performance and magnetic resistance. Of course it is approved by the Swiss Federal Institute of Metrology (METAS)

Key technical features include:

  • Resistance to magnetic fields up to 15,000 gauss
  • Silicon Si14 balance spring on a free-sprung balance
  • Three-level Co-Axial escapement
  • Dual barrels mounted in series
  • Nivachoc shock protection
  • Quick-set hour function for time-zone adjustment

The movement features luxury finishing with rhodium-plated bridges and rotor, arabesque Geneva waves, and blackened screws, barrels and balance wheel. 

Ceramic Bezel

 All models feature unidirectional rotating bezels with 120 clicks, providing precise operation. The ceramic bezel inserts are crafted from zirconium oxide, with the diving scale rendered in either white hybrid ceramic (for the orange model) or white enamel(for the black and blue models. 

The bezel features reworked knurling around the edge, adding to the aesthetic of the watch. 

Pricing and Availability of Omega Seamaster Planet Ocean

The new Omega Seamaster Planet Ocean fourth generation is available now with the following pricings:

Black and Blue Models:

  • Rubber strap: €8,500 / $8,600 / CHF 6,700 (ex. VAT)
  • Steel bracelet: €9,200 / $9,200 / CHF 7,200 (ex. VAT)

Orange Models:

  • Rubber strap: €8,800 / $8,900 / CHF 6,900 (ex. VAT)
  • Steel bracelet: €9,400 / $9,500 / CHF 7,400 (ex. VAT)

The orange Model is a little more expensive and this is due to the more complex production process required for orange ceramic.

Reference Numbers of Omega Seamaster Planet Ocean

  1. Black bracelet: 217.30.42.21.01.001
  2. Black rubber: 217.32.42.21.01.001
  3. Blue bracelet: 217.30.42.21.01.002
  4. Blue rubber: 217.32.42.21.01.002
  5. Orange bracelet: 217.30.42.21.01.003
  6. Orange black rubber: 217.32.42.21.01.003
  7. Orange orange rubber: 217.32.42.21.01.004

Would I buy it? YES. For me it’s a hit with this model.I like the new design, I love the new bracelet which looks amazing and we need this one on all Seamaster Line-ups. The price is fair, the watch is good and in my opinion it’s a perfect release to celebrate the 20 years since the first Omega Seamaster Planet Ocean.

SpecificationDetails
ModelOmega Seamaster Planet Ocean 4th Generation
Case Diameter42mm
Bezel Diameter40.9mm
Case Thickness13.79mm
Lug-to-Lug47.5mm
Case MaterialStainless steel with Grade 5 titanium inner ring
CrystalFlat sapphire
CasebackScrew-in Grade 5 titanium with wave-edged design
Water Resistance600 meters (60 bar / 2,000 feet)
BezelUnidirectional rotating, 120 clicks, ceramic (ZrO₂)
Dial ColorMatte black
NumeralsArabic (open-work design) – white, orange, or rhodium-plated
HandsArrowhead style, rhodium-plated
LumeSuper-LumiNova X1 (blue emission: hour hand & indexes; green emission: minute hand & bezel pip)
MovementOmega Co-Axial Master Chronometer Calibre 8912
Movement TypeAutomatic, bi-directional winding
Power Reserve60 hours
Frequency25,200 vph (3.5 Hz)
Jewels38
Magnetic Resistance15,000 gauss
CertificationMETAS Master Chronometer
FunctionsHours, minutes, seconds, quick-set hour
Bracelet Width21mm at lugs, tapering to 16.5mm at clasp
Bracelet Thickness3.5mm
Rubber Strap Width21mm at lugs, 18mm at clasp
ClaspFoldover with micro-adjustment (6 positions) and diver extension
Helium Escape ValveNo (removed in 4th generation)
Date DisplayNo

More info on official website

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My passion for watches began around the age of 6 when I first saw a watch that seemed magical to me. It had 7 melodies, an alarm, a stopwatch, and would beep every hour. Truly advanced technology for me at the time! It belonged to my brother, but before long, he gave it to me. One of the melodies was “Oh! Susanna” by Stephen Foster, but unfortunately, I no longer remember the other six. If I had to guess, I’d say it was a Casio, as they popularized melody watches. However, the truth is I don’t remember exactly. It certainly wasn’t a Casio—most likely a cheap Chinese knockoff—but it was fascinating for a kid like me. That watch is no longer part of my life—just like many other watches that have been lost over time, without me even realizing when or how. As I write these lines, a photo from my first grade comes to mind. In it, I’m wearing a watch that’s clearly visible. Still, I don’t think it’s the melody watch I remember. On the watch in the photo, I had stuck two flags cut out from an atlas. Besides my passion for watches, I also had a fascination with maps. What can I say? Childhood quirks and passions of a kid who grew up without the internet—because it didn’t exist! Otherwise, I’ve always been told I have a talent for writing, probably because I’m not good at math at all.
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