Omega Seamaster Professional Diver 300M Watch 42mm Blue Dial & Bezel ALL S.S. - Full Set

Watch Overview

We are proud to present this Omega Seamaster Professional Diver 300M automatic wristwatch. This exceptional timepiece, reference 210.30.42.20.03.001, dates from 2011 and is offered as a complete set, including the original double box, international warranty card, and Omega’s official operating instructions booklet.

Powered by the in-house Omega caliber 8800 self-winding movement, it features 35 jewels, a sweeping seconds hand, hacking seconds, and a date display at 6 o’clock. This Swiss-made, chronometer-certified movement offers a 55-hour power reserve and beats at a high frequency of 25,200 vibrations per hour.

Housed in a 42mm stainless steel case, it boasts a blue ceramic unidirectional rotating bezel with a white enamel diving scale, a display case back, and a helium escape valve positioned at 10 o’clock for professional saturation diving. The crystal is scratch-resistant sapphire, and the screw-down crown is signed with the Omega logo, contributing to its impressive water resistance rating of 300 meters (1,000 feet / 30 ATM).

The blue wave-pattern dial is both bold and functional, featuring luminous hour markers, silver-toned luminous hands, and a white minute/seconds track for enhanced legibility in low-light conditions. It is coming with the original Omega stainless steel bracelet with foldover clasp and diver extension. Fully inspected and authenticated by our in-house watchmaker, this timepiece runs accurately and is ready to wear and enjoy.

Product Details

General Specifications

• Brand: Omega
• Type: Wristwatch
• Model: Seamaster Professional Diver 300M
• Reference: 210.30.42.20.03.001
• Year / Era: 2011 - Modern
• Gender: Men's
• Country of Manufacture: Switzerland

Dial & Display

• Display: Analog
• Color: Blue wave-pattern
• Features: Luminous hour markers, luminous hands, white minute/seconds track. Date indicator.

Movement

• Type: Self-winding
• Caliber: Master Co-Axial 8800
• Jewels: 35
• Movement Functions:
  • Sweep Seconds
  • Master Chronometer-certified
  • Date display
  • Hacking-Seconds
  • Helium escape valve
  • Anti-Magnetic up to 15,000 gauss
• Power Reserve: 55 hours
• Frequency: 25,200 vph

Case & Band

• Material: Stainless Steel
• Case Shape: Round
• Bezel: Unidirectional rotating
• Crystal: Scratch-resistant sapphire
• Back: Exhibition
• Crown: Omega-signed screw-down
• Water Resistance: 300 meters / 1000 feet / 30 ATM
• Band Type: Original Omega stainless steel bracelet, it fits wrist up to 8 1/4 inches (21 cm).
• Case Back Markings: Diver 300M / 1000ft

Case Measurements (mm)

• Case Size: 42
• Case Diameter w/Crown: 46.3
• Case Lug to Lug: 49.6
• Case Thickness: 13.6
• Lug Width: 20
• Band Width: 20

Additional Info

• Box & Papers: YES - Original 2-box set, Omega operating instructions booklet, chronometer certificate, pictograms and international warranty card
• Condition: The watch is in good condition, with some signs of wear consistent with use. It features a solid case, bezel, clean dial, and original bracelet.
• Extras: Fully inspected and authenticated by our in-house watchmaker, confirming that it runs accurately. It is ready to wear.

History & Legacy of Omega

Omega is a Swiss luxury watchmaker known for producing high-quality and prestigious timepieces. The company was founded in 1848 by Louis Brandt in La Chaux-de-Fonds, Switzerland; Louis Brandt started as a watchmaker, and he produced key-wound pocket watches. Originally, it was called "Louis Brandt et Frère" and they primarily produced pocket watches and it was until 1903 that the company officially adopted the name "Omega."

Throughout its history, Omega has continued to innovate and produce high-quality timepieces. Today, it remains one of the most prestigious and respected Swiss watchmakers, offering a diverse range of collections that cater to various lifestyles and tastes. Today, Omega continues to be a prominent and highly regarded Swiss luxury watch brand.

About Second Hand Horology

At SECOND HAND HOROLOGY, we offer a curated selection of watches ranging from vintage to modern, including both brand-new and pre-owned timepieces. We’re committed to quality, accuracy, and integrity. Our listings feature:

Professional, unedited photography and clear, transparent descriptions. Every watch is thoroughly inspected and securely packaged to ensure a confident, seamless buying experience.

We also warmly invite you to visit our physical shop and explore the collection in person.

Contact Us

We appreciate you checking out our listing! Don’t hesitate to reach out with questions, offers, or just to talk watches — we love what we do and enjoy connecting with fellow enthusiasts.

Thank you for your business—we truly appreciate your support and look forward to serving you again in the future!

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