Omega Seamaster 300 Seamaster 300 Master Chronometer Stainless Steel / Blue / Bracelet
Reference 234.30.41.21.03.001
About this watch
The Omega Seamaster 300 Master Chronometer, reference 234.30.41.21.03.001, is a stunning example of craftsmanship and precision fused into a timepiece. Its striking blue dial, crafted from high-quality stainless steel, exudes durability and elegance. The watch seamlessly transitions between casual and formal settings, making it suitable for both everyday wear and special occasions. At the core of the Seamaster 300 lies the automatic Omega Caliber 8912, featuring a chronometer and co-axial escapement for exceptional accuracy and reliability. This movement is built to last, with 38 jewels and a 60-hour power reserve. The watch's impressive water resistance of 300 meters ensures it can withstand even the most demanding underwater adventures. The Omega Seamaster 300 Master Chronometer is not just a timepiece; it's a celebration of craftsmanship, innovation, and style. Its rich history, modern features, and breathtaking design make it an investment that any watch enthusiast would be proud to own.
Key Features
- Automatic Omega Caliber 8912 movement
- 300 meters water resistance
- 41mm stainless steel case diameter
- 38 jewels for exceptional accuracy
- 60-hour power reserve for reliability
- Co-axial escapement for reduced friction and increased accuracy
- Chronometer certification for precision and reliability
Specifications
- Brand
- Omega
- Family
- Seamaster 300
- Model
- Seamaster 300 Master Chronometer Stainless Steel / Blue / Bracelet
- Reference
- 234.30.41.21.03.001
- Movement
- 8912
- Movement Features
-
- Hours, Minutes, Seconds
- Chronometer, Co-Axial Escapement
- Case
- 41mm
- Dial Color
- Blue
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings

LNIB Omega Seamaster 300 Heritage Black 41mm Steel Bracelet 2017 Complete
This Omega Seamaster 300 Heritage features a 41mm steel case, Liquidmetal bezel, and self-winding movement. It comes with a full set of accessories, including manuals and certificates.
- Condition: Like New In Box (LNIB)
- Movement: Caliber 8840
- Bracelet size: Steel bracelet

Omega Seamaster 300M - Black Aluminum - 210.32.42.20.01.003 ( new / 2025 )
This Omega Seamaster 300 is a brand new watch featuring a 42mm stainless steel case and black aluminum dial.
- Condition: Brand new
- Case Size: 42mm diameter
- Movement: 8806 Master Co-Axial Movement

LNIB Omega Seamaster 300 Pro 43.5mm Ceramic Case Rubber Strap 2022 Complete!
A 2022 Omega Seamaster 300 Professional with a ceramic/titanium case and rubber strap, featuring the Master Chronometer Omega Caliber 8806.
- Condition: Like New In Box (LNIB)
- Case material: Ceramic/Titanium
- Strap material: Rubber

LNIB Omega Seamaster 300 Heritage Black 41mm Steel Bracelet 2017 Complete
This Omega Seamaster 300 Heritage is a 41mm steel bracelet watch with a Liquidmetal Bezel, featuring an Omega Caliber 8840 self-winding movement and dated April 2017.
- Condition: Like New
- Movement: Omega Caliber 8840 self-winding
- Shipping: International Fedex Express Shipping (3 Days)
- Reference available: Multiple references available

Omega Seamaster 300m "007" Commander's Watch- Limited Edition
A limited edition Omega Seamaster 300m 'Commander's Watch' tribute to naval heritage and James Bond, featuring a polished white ceramic dial and blue ceramic bezel.
- Condition: GOOD - shows small nicks and scratches on case from normal use.
- Case size: 41mm
- Material: Stainless Steel
- Bezel: Blue Ceramic with White & Red Diving Scale
Omega Seamaster 300 - 60th Anniversary Master Chronometer,
The Omega Seamaster 300 is a limited edition watch celebrating its 60th anniversary, featuring an automatic Co-Axial Master Chronometer caliber 8806 and a water-resistant stainless steel case.
- Condition: Excellent condition
- Case Material: Brushed and polished stainless steel
- Bracelet Type: Stainless steel with folding deployant clasp
- Movement: Omega Co-Axial Master Chronometer caliber 8806

Omega Seamaster 300 - Diver - Blue Dial - 210.32.42.20.03.001 ( new / 2024 )
This is a brand new Omega Seamaster 300 Blue Wave Dial on Rubber Strap, featuring a stainless steel case and Master Co-Axial movement.
- Condition: Brand new
- Case size: 42mm
- Movement: 8800 Master Co-Axial

Omega Seamaster 300M - Black Aluminum - 210.30.42.20.01.010 ( new / 2025 )
This is a brand new Omega Seamaster 300M with a black aluminum dial and bezel on a mesh bracelet.
- Condition: Brand new
- Movement: 8806 Master Co-Axial Movement
- Case material: Stainless Steel

Omega Seamaster 300M - Grey / Titanium Diver - 210.32.42.20.06.002 ( new )
This Omega Seamaster 300M is a 42mm stainless steel watch with a grey dial and titanium bezel, featuring an 8806 Master Co-Axial movement.
- Condition: Brand new
- Movement: 8806 Master Co-Axial
- Case material: stainless steel
- Diameter: 42mm