
Seamaster Diver 300M 42 mm, steel on steel
Ref. 210.30.42.20.03.003
42mm – Stainless Steel – Co-Axial Master Chronometer Calibre 8800 – 300m Water Resistance
A Dive Watch with a Splash of Summer Elegance
Celebrating the 75th anniversary of the Seamaster collection, Omega introduces the “Summer Blue” edition of the Diver 300M. This timepiece seamlessly blends professional dive functionality with a vibrant aesthetic, making it a standout addition to any collection.
Design & Features
-
Case: 42mm stainless steel case with a mix of polished and brushed finishes, featuring a screw-in crown and a helium escape valve for professional diving requirements.
-
Bezel: Unidirectional rotating bezel with a blue ceramic insert, offering durability and precise timekeeping for divers.
-
Dial: PVD-treated ceramic dial in Omega's proprietary Summer Blue, showcasing a gradient finish that reflects its 300m water resistance. The dial features the iconic wave pattern, rhodium-plated hands, and raised indexes filled with blue Super-LumiNova for enhanced legibility.
-
Crystal: Domed, scratch-resistant sapphire crystal with anti-reflective treatment on both sides, ensuring clarity under various lighting conditions.
-
Bracelet: Integrated stainless steel bracelet with a foldover clasp, providing a secure and comfortable fit.
Technical Specifications
-
Movement: Omega Co-Axial Master Chronometer Calibre 8800; self-winding movement with a 55-hour power reserve, certified by METAS for its precision and resistance to magnetic fields up to 15,000 gauss.
-
Functions: Hours, minutes, seconds, and date display at 6 o'clock.
-
Water Resistance: 300 meters (30 bar), suitable for professional diving activities.
-
Case Dimensions: 42mm diameter, 13.6mm thickness, and 49.9mm lug-to-lug distance.
Why Choose This Watch
The Omega Seamaster Diver 300M “Summer Blue” edition is more than just a dive watch; it's a celebration of Omega's rich maritime heritage. Its unique colorway, combined with professional-grade specifications, makes it a versatile choice for both underwater adventures and everyday wear.
Interested in this watch?
Fill out the form below and a Lookout team member will respond ASAP.
Choose options

Need help?
Frequently Asked Questions
Order
Yes, we ship all over the world. Shipping costs will apply, and will be added at checkout. We run discounts and promotions all year, so stay tuned for exclusive deals.
It depends on where you are. Orders processed here will take 5-7 business days to arrive. Overseas deliveries can take anywhere from 7-16 days. Delivery details will be provided in your confirmation email.
You can contact us through our contact page! We will be happy to assist you.