Omega Seamaster Diver 300M Steel Black Dial 210.30.42.20.01.010

The Omega Seamaster Diver 300M is one of the most storied diving watches in Swiss horology, tracing its modern lineage to 1993 and earning global recognition through its association with the James Bond franchise. Across three decades the Seamaster Diver 300M has evolved from a purpose-built professional instrument into a refined sport-luxury icon without surrendering a single iota of its underwater capabilities. Reference 210.30.42.20.01.010 represents the current-generation interpretation of this legacy, incorporating the technological and aesthetic leaps Omega introduced with the 2018 redesign of the line.

The case of this reference measures a commanding yet wearable 42mm in diameter and is crafted entirely from polished and brushed stainless steel. The alternating surface finishing — brushed flanks meeting polished edges — gives the case a sculptural depth that photographs cannot fully capture. The distinctive porthole-shaped case profile, a hallmark of the Seamaster Diver 300M since its debut, is immediately recognizable on the wrist and on the page, making this watch unmistakably an Omega.

The black dial of ref. 210.30.42.20.01.010 is one of its most compelling features. Rendered with a wave-pattern texture that evokes the surface of the ocean, it balances legibility with visual drama. Applied indices and hands treated with luminescent material ensure clear time reading in low-light and underwater conditions, while the date window is discreetly integrated without disturbing the dial's strong horizontal symmetry. Crowning the dial is a ceramic bezel insert engraved with a 60-minute diving scale — ceramic being the material of choice in modern watchmaking for its near-total resistance to scratching and its long-term color stability.

Powering the Seamaster Diver 300M 210.30.42.20.01.010 is an automatic movement, the standard bearer for serious mechanical dive watches. Omega equips the current Seamaster Diver 300M generation with a movement that is chronometer-certified by METAS — the Swiss Federal Institute of Metrology — meaning it meets the rigorous Master Chronometer standard, the most demanding accuracy and magnetic resistance certification in the industry. This movement architecture delivers exceptional precision and resilience against the magnetic fields of everyday life, a practical advantage that many competitors simply cannot match.

On the wrist, the 42mm diameter and integrated stainless steel bracelet create a cohesive, purposeful silhouette that sits flush against the wrist and wears comfortably across a wide range of wrist sizes. The bracelet features a dive extension system integrated into the clasp, allowing the watch to be worn comfortably over a wetsuit — a detail that underscores the genuine tool-watch DNA beneath the polished exterior. Whether you are suited up for a dive or dressed for a meeting, this reference transitions effortlessly.

At Bizak & Co. we source, authenticate, and present each Omega Seamaster Diver 300M with the care and expertise that a watch of this caliber demands. Reference 210.30.42.20.01.010 is a perennial best-seller and one of the smartest buys in the sport-luxury segment, holding its desirability exceptionally well on the secondary market. Browse our current inventory at bizakandco.com or reach out to our team directly — we are here to help you acquire this iconic Omega with complete confidence.