Case #427 — Omega Seamaster Professional 300 Blue Ref. 210.30.42.20.03.001

Case #427 — Omega Seamaster Professional 300 Blue Ref. 210.30.42.20.03.001

Status: Active Investigation
Condition: Excellent Pre-Owned
Scope: Box, Papers, and Cards
Year: 2021

🔎 Case Notes

The Omega Seamaster Professional 300 Blue Ref. 210.30.42.20.03.001 is one of the strongest modern expressions of the Seamaster line — a watch that combines real dive-watch capability with a polished, highly recognizable design. In blue on steel, it delivers the full modern Seamaster look: wave-pattern dial, matching blue bezel, helium escape valve, and a bracelet configuration that gives it a substantial, everyday-sport feel.

What makes this reference especially appealing is its balance. It still feels every bit like a proper modern diver, with strong water resistance and a robust case design, but it also wears as one of Omega’s most versatile contemporary sports watches. The blue-on-steel execution is the classic modern look for this generation, and it remains one of the most recognizable configurations in the line.

This example dates to 2021 and is presented in excellent pre-owned condition. Overall, it shows only light wear consistent with careful use. It includes box, papers, and cards and is currently sized to fit approximately a 7.25-inch wrist.

🕰️ The Evidence

Reference: 210.30.42.20.03.001
Model: Omega Seamaster Professional 300 Blue
Case: Stainless Steel
Case Size: 42 mm
Bezel: Blue Dive Bezel
Crystal: Sapphire
Dial: Blue Wave Dial
Movement: Automatic
Bracelet: Stainless Steel Bracelet
Bracelet Fit: Approximately 7.25" wrist
Water Resistance: 300 m
Year: 2021
Accessories: Box, Papers, and Cards

Condition Notes: Excellent pre-owned condition overall, with light wear consistent with careful use.

🌊 Diving Heritage

The modern Seamaster Diver 300M builds on one of Omega’s most recognizable sports-watch platforms, carrying forward the design language that has defined the collection for decades while bringing in more contemporary materials and movement technology. It still feels like a true dive watch, with serious water resistance and strong case architecture, but it is refined enough to work well beyond that role.

That is a large part of the watch’s appeal. It has the stance and capability of a proper sports watch, but with enough polish and versatility to make it just as strong as an everyday luxury piece.

🌟 Collector Provenance

The appeal here is rooted in recognizability, versatility, and broad market appeal. This reference sits right at the center of the modern Diver 300M family, and the blue bracelet configuration remains one of the strongest and most familiar executions of the model. It has the kind of enduring appeal that works for both first-time luxury buyers and established collectors.

Examples that include box, papers, and cards remain especially attractive, and a 2021 example in excellent pre-owned condition sits in a very strong lane for a buyer looking for a proven modern Omega diver with broad everyday wearability.

🌟 Celebrity Provenance

The Seamaster Professional line has some of the strongest celebrity and cultural visibility in modern watchmaking thanks to its long-running connection with James Bond. The broader blue Seamaster aesthetic is especially tied to that identity, with the collection worn on screen by Pierce Brosnan and later Daniel Craig, helping cement the Seamaster as one of the most recognizable modern luxury sports watches.

🧾 From the Case File

Recovered as a 2021 Omega Seamaster Professional 300 Blue Ref. 210.30.42.20.03.001. Box, papers, and cards. Excellent pre-owned condition overall. Sized to approximately a 7.25-inch wrist.

🗝️ BST Verdict

Case #427 delivers one of Omega’s most recognizable modern sports-watch references in its signature blue-on-steel form. With its 42mm case, full-set presentation, strong bracelet fit, and excellent overall condition, this is a very attractive example of the Seamaster Professional 300.

👉 Every case deserves a closer look.