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
![[WTS] Omega Seamaster 300 Co Axial - Full kit + extra oem rubber strap](https://preview.redd.it/le6kfnq56vve1.jpeg?auto=webp&s=54e2352d570c1ab337373f7c4f408dd9d11c9565)
Omega Seamaster 300 Co Axial - Full kit + extra oem rubber strap
Seamaster 300 Co-Axial watch with a ceramic bezel and an additional OEM rubber strap.
- Condition: Mint condition, with couple hairline scratches
- Case condition: Mint condition, with couple hairline scratches
- Strap: SMP 300 Ceramic rubber strap (full kit)
- Running accuracy: +1-2 seconds a day
![[WTS] Omega Seamaster 300 James Bond Limited Anniversary Edition CRAZY COOL Collector Set Ref 210.22.42.20.01.004](https://preview.redd.it/2l8pyavgzuve1.jpg?width=640&crop=smart&auto=webp&s=530c23596d10f1952ae74e32b92698c9f883c3aa)
Omega Seamaster 300 James Bond Limited Anniversary Edition CRAZY COOL Collector Set Ref 210.22.42.20.01.004
This Omega Seamaster 300 James Bond Limited Anniversary Edition is a limited collector's set of only 7,007 pieces, released in 2019 to commemorate the 50th anniversary of On Her Majesty's Secret Service. The watch features a black dial with a classic Bond opening credits gun barrel motif, paired with gold accents and a PVD ceramic bezel.
- Condition: Near mint with very light wear throughout
- Movement: Omega Co-Axial Master Chronometer cal 8800
- Case Diameter: 42mm
![[WTS] 1969 Omega Seamaster 300 (Ref. 165.024) Omega Refurbished!](https://preview.redd.it/73vaewx4ysve1.jpeg?auto=webp&s=46d683c11992e4d14d21969fd10fcf0bbaf8f5ef)
1969 Omega Seamaster 300 (Ref. 165.024) Omega Refurbished!
This 1969 Omega Seamaster 300 is a rare collector's piece, produced in limited quantities with two case makers and featuring a stunning matte dial.
- Condition: Very good condition, refurbished by Omega
- Box And Papers: includes Omega authentication paperwork and new old style Omega box
- Case Maker: produced by Centrale Boîtes (CB)
- Diameter: 42mm
![[wts] Like new Omega Seamaster 300M black Ceramic & titanium 43.5mm 210.92.44.20.01.001 under warranty](https://preview.redd.it/o3dekg2ayove1.jpg?width=640&crop=smart&auto=webp&s=10b7a4558cdb9757e004942d19d25c8e5aa9f2cb)
Like new Omega Seamaster 300M black Ceramic & titanium 43.5mm 210.92.44.20.01.001 under warranty
This Omega Seamaster 300M is a 43.5mm watch with a ceramic and titanium case, under warranty until May 2024.
- Condition: Near mint
- Case material: Ceramic & Titanium
- Diameter: 43.5mm
- Warranty: Under warranty until MAY 2024
(SOLD) Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set
The Omega Seamaster 300M is a stainless steel automatic watch with a date display and water resistance of up to 300m.
- Status: (SOLD)

Omega Seamaster 300M - Black Aluminum - 210.30.42.20.01.010 ( new / 2025 )
This Omega Seamaster 300M features a 42mm stainless steel case with a black aluminum dial and mesh bracelet, powered by the Master Co-Axial Movement.
- Condition: Brand new
- Case size: 42mm
- Movement: 8806 Master Co-Axial

Omega Seamaster 300M - Summer Blue - 42mm - 210.30.42.20.03.003 ( new / 2024 )
This Omega Seamaster 300M 42mm features a Summer Blue dial on a stainless steel bracelet, powered by the Master Co-Axial movement.
- Condition: Brand new
- Case size: 42mm
- Movement type: Master Co-Axial

Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set
A black ceramic and 18K gold Omega Seamaster 300M with a wave dial, measuring 43.5mm in diameter.
- Condition: Very Good (VG)
- Case size: 43.5mm
- Material: Black Ceramic and 18K Gold

Omega Seamaster 300M - 210.32.42.20.03.001
This Omega Seamaster 300M is a high-end diving watch with a 42mm case size and 300m water resistance rating. It features a very good condition, minor-wear-only case with perfect front and back sapphire crystals.
- Condition: Very good condition
- Case Size: 42mm
- Water Resistance Rating: 300m (1000 ft.)
- Depth Rating: 300m depth rating