Case #361 — Omega Seamaster Planet Ocean 600M Blue Ref. 215.30.44.21.03.001

Status: Active Investigation
Condition: Good Pre-Owned
Scope: Box, Papers, and Cards
Year: 2026 example

🔎 Case Notes

The Omega Seamaster Planet Ocean 600M Ref. 215.30.44.21.03.001 is a larger-format modern diver with real presence — the kind of watch that brings together Omega’s contemporary tool-watch engineering with a more substantial wrist feel than the standard Seamaster Professional line. At 43.5mm, it wears with purpose, and the blue execution gives the watch a sharper, more striking character than the more common black-dial configurations. The current steel bracelet reference is built around a robust case, ceramic bezel, and Omega’s modern Planet Ocean architecture.

What makes this reference especially appealing is the way it balances technical seriousness with strong everyday wearability. The blue ceramic bezel and matching blue dial give the watch a distinctly modern look, while the steel bracelet keeps the overall presentation versatile and substantial. It is a watch that feels every bit like a true Planet Ocean: deeper rated, heavier built, and more assertive than the average luxury dive watch.

This example is presented in good pre-owned condition. Overall, it shows honest light wear consistent with careful use. The case and bracelet show barely visible wear overall, and it includes box, papers, and cards. The bracelet is currently sized to fit approximately a 7.75-inch wrist.

🕰️ The Evidence

Reference: 215.30.44.21.03.001
Model: Omega Seamaster Planet Ocean 600M Blue
Case: Stainless Steel
Case Size: 43.5 mm
Bezel: Blue Ceramic Dive Bezel
Crystal: Sapphire
Dial: Blue
Movement: Automatic
Bracelet: Stainless Steel Bracelet
Bracelet Fit: Approximately 7.75" wrist
Clasp: Folding / Deployment
Water Resistance: 600 m
Year: 2026 example
Accessories: Box, Papers, and Cards

Condition Notes: Good pre-owned condition overall, with light wear consistent with careful use. Case and bracelet show barely visible wear overall.

🌊 Diving Heritage

The Planet Ocean line represents the more technical and more heavily built side of Omega’s modern dive-watch family. Where the standard Seamaster Professional often leans slimmer and more versatile, the Planet Ocean is designed to feel more substantial, with deeper water resistance, thicker case architecture, and a more overt tool-watch stance. This 43.5mm version carries that identity clearly, while the blue execution adds a more contemporary visual edge.

That balance is a large part of the watch’s appeal. It still feels like a true dive watch, with serious depth rating and a robust case design, but it is refined enough to work well beyond that role. On bracelet, this version feels especially complete — a strong modern Omega sport watch with real wrist presence and a very recognizable silhouette.

🌟 Collector Provenance

The Planet Ocean remains one of Omega’s core modern sports-watch lines because it offers a more serious dive-watch package without giving up the brand recognition and finishing quality buyers expect. The 43.5mm blue configuration is especially attractive for someone who wants the full Planet Ocean experience in a sharper, more contemporary colorway.

This example also benefits from the fundamentals that matter most: a clean, desirable configuration, box, papers, and cards, and a strong bracelet fit. That combination keeps it in a healthy lane for buyers looking for a modern Omega diver that feels complete and ready to wear.

🌟 Celebrity Provenance

The Seamaster family is one of the most recognizable pillars in modern watchmaking, and the Planet Ocean line has carved out its own following among buyers who prefer a more substantial and technically assertive Omega dive watch. Its appeal is less about flash and more about capability, presence, and modern engineering.

🧾 From the Case File

“Recovered as an Omega Planet Ocean (43.5) Ref. 215.30.44.21.03.001. Box, papers, and cards. Good pre-owned condition overall with light wear consistent with careful use. Sized to approximately a 7.75-inch wrist.”

🗝️ BST Verdict

Case #361 delivers the bigger, more technical side of the Seamaster family in a strong blue ceramic execution. With box, papers, and cards, a substantial 43.5mm case, and a clean overall presentation, this is a very attractive example of the Planet Ocean 600M.

👉 Every case deserves a closer look.