Description
Among contemporary dive chronographs, few command the respect of collectors like the Omega Seamaster Diver 300M Co-Axial Chronograph with its striking blue dial configuration and robust stainless steel construction. This reference 212.30.42.50.03.001 represents Omega’s mastery of combining professional diving capabilities with precision chronograph functionality, housed within a substantial 41.5mm case that strikes an ideal balance for both underwater exploration and everyday wear. The monochromatic blue theme—spanning from the ceramic unidirectional bezel to the wave-pattern dial—creates a cohesive aesthetic that has made this particular variant highly sought after in today’s market. Built around Omega’s Co-Axial escapement technology, this Seamaster delivers both the 300-meter water resistance expected of a professional dive watch and the split-second timing precision demanded by serious chronograph enthusiasts.
Key Features & Specifications
Co-Axial Chronograph Movement — Features Omega’s proprietary Co-Axial escapement technology with chronograph complications, delivering superior accuracy and reduced friction compared to traditional lever escapements
Professional 300M Water Resistance — Engineered for serious diving applications with helium escape valve and screw-down crown system, meeting ISO 6425 diving watch standards
Blue Ceramic Unidirectional Bezel — Scratch-resistant ceramic insert with polished diving scale markers, designed for precise elapsed time measurement during underwater activities
Wave Pattern Blue Dial — Signature Seamaster laser-engraved wave pattern with applied hour markers and contrasting white chronograph subdials for optimal legibility
41.5mm Stainless Steel Case — Brushed and polished stainless steel construction with integrated chronograph pushers and distinctive twisted lugs characteristic of the modern Seamaster line
Sapphire Crystal Protection — Anti-reflective sapphire crystal with superior scratch resistance and clarity, maintaining dial visibility in all lighting conditions
Unworn Condition — Complete timepiece in factory-fresh condition, representing an opportunity to acquire this reference 212.30.42.50.03.001 in pristine state
About This Timepiece
Bracelet Sizing — Complimentary bracelet sizing included with every purchase. Contact us with your wrist measurement and we’ll have it ready before shipping.
Authenticity Guarantee — Every watch is thoroughly inspected and authenticated by our team of certified horologists. 100% authentic, guaranteed.
Warranty — New model watches include a 1-year mechanical warranty covering manufacturing defects. All watches include our confidence guarantee.
Shipping — Free insured overnight FedEx shipping on all orders. Fully insured, signature required, discreet packaging.
Contact Us
Questions about this timepiece? Our specialists are available to help.
Phone/Text: (310) 363-0481
Email: sales@jestikcollection.com
Jestik Collection is an independent luxury watch dealer and is not affiliated with Rolex S.A., Rolex USA, Patek Philippe, Audemars Piguet, Cartier, Omega, Tudor, or any brands listed.










