Omega Seamaster 300 Seamaster 300 Master Co-Axial Stainless Steel / Black / Bracelet
Reference 233.30.41.21.01.001
About this watch
The Omega Seamaster 300 Master Co-Axial is a masterpiece that blends luxury with functionality. Its stunning design, robust movement, and impressive features make it a worthy investment for anyone looking to own a piece of horological history. With a water resistance of 300 meters, it’s designed for serious diving activities, while its comfortable fit and stylish design make it suitable for everyday wear. The watch features a 41mm round stainless steel case, black dial with stick and dot indexes, and a rotating bezel with a 0-60 scale. Protected by a sapphire crystal, the watch is resistant to scratches. At the heart of the Seamaster 300 is the Omega caliber 8400 movement, which incorporates the Co-Axial escapement for enhanced precision and stability.
Key Features
- 41mm round stainless steel case
- Black dial with stick and dot indexes
- Rotating bezel with 0-60 scale
- Sapphire crystal protection
- Omega caliber 8400 movement
- Co-Axial escapement for precision and stability
- 300m water resistance
Specifications
- Brand
- Omega
- Family
- Seamaster 300
- Model
- Seamaster 300 Master Co-Axial Stainless Steel / Black / Bracelet
- Reference
- 233.30.41.21.01.001
- Movement
- 8400
- Movement Features
-
- Hours, Minutes, Seconds
- Chronometer, Co-Axial Escapement
- Case
- Stainless Steel 41mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS][US] Omega Seamaster 300 Heritage - 41mm - Black Dial - 234.30.41.21.01.001 - Full Set](https://preview.redd.it/o9n9s9wdurxe1.jpg?width=640&crop=smart&auto=webp&s=8b2ef837f9c18a072d8b1af8e4287585ee5cd211)
[US] Omega Seamaster 300 Heritage - 41mm - Black Dial - 234.30.41.21.01.001 - Full Set
This Omega Seamaster 300 Heritage is a mechanical watch with a black dial and 41mm case size.
- Condition: Fantastic, minor hairlines on case
- Case Size: 41mm diameter
- Dial Color: Black

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 bezel on mesh bracelet, powered by the 8806 Master Co-Axial movement.
- Condition: Brand New / Complete Set
- Case size: 42mm
- Movement type: 8806 Master Co-Axial
![[WTS] Omega Seamaster 300M White Dial on Rubber - Full Set + Original Receipt (2022)](https://preview.redd.it/nvkou84lukxe1.jpg?width=640&crop=smart&auto=webp&s=e641a57392a9b3456ee56147c0f0c3cd53ad71ee)
Omega Seamaster 300M White Dial on Rubber - Full Set + Original Receipt (2022)
Up for sale is my Omega Seamaster Diver 300M Co-Axial Master Chronometer with a white ceramic wave dial and black ceramic bezel, mounted on the Omega OEM black rubber strap. It features a 42mm case size, Omega Caliber 8800 movement, METAS certified, and has a water resistance of 300M.
- Condition: Very clean, minimal if any careful wear.
- Case Size: 42mm
- Water Resistance: 300M
- Movement: Omega Caliber 8800 (Co-Axial Master Chronometer)
![[WTS] Omega Seamaster 300M REF 2103.24.22.00.3001](https://preview.redd.it/aml3fmusvfxe1.jpg?width=640&crop=smart&auto=webp&s=2b50eb03cb32df89f8b94c14eeb7e19f8bc0ebf5)
Omega Seamaster 300M REF 2103.24.22.00.3001
- Size: 41mm diameter
![[wts] Like new Omega Seamaster 300M black Ceramic & titanium 43.5mm 210.92.44.20.01.001 under warranty](https://preview.redd.it/f3lv5qjjrexe1.jpg?width=640&crop=smart&auto=webp&s=77a3235f2113bc566d0ef777153b23a3774aed52)
Like new Omega Seamaster 300M black Ceramic & titanium 43.5mm 210.92.44.20.01.001 under warranty
A Like new Omega Seamaster 300M in black Ceramic and titanium, featuring a 43.5mm diameter case.
- Condition: Near mint
- Warranty Start Date: May 2024
![[WTS] Omega Seamaster 300 Professional Diver 2063.80 Full Set](https://preview.redd.it/fap5ri703dxe1.jpg?width=640&crop=smart&auto=webp&s=dd420a11dc3e555f58aae015d752ba98dee0a078)
Omega Seamaster 300 Professional Diver 2063.80 Full Set
This Omega Seamaster 300 Professional Diver features a 36mm stainless steel case, electric blue wave-pattern dial, and unidirectional rotating bezel.
- Case size: 36mm
- Water resistance depth rating: 300m
- Bracelet length: up to 18.5-19cm
![[WTS] 🔥Omega Seamaster 300M No Wave Blue Dial 41mm Watch + Cards](https://preview.redd.it/fei5fxgoyaxe1.jpg?width=640&crop=smart&auto=webp&s=cf18a04c4c54fad8f30f8ca7431d51987456f66e)
🔥Omega Seamaster 300M No Wave Blue Dial 41mm Watch + Cards
A beautiful Omega Seamaster 300m No Wave Blue dial watch in 41mm size, with a ceramic bezel and navy blue dial. The watch is in excellent condition and comes with warranty cards.
- Condition: Unworn, Near Mint condition with minor marks on bracelet and clasp
- Case Size: 41mm diameter
- Depth Rating: 300m
![[WTS] 1969 Omega Seamaster 300 (Ref. 165.024) Omega Refurbished!](https://preview.redd.it/nzl90kbz58xe1.jpeg?auto=webp&s=bfc1085b7d642a64ddcaef98c22a930224a1ecde)
1969 Omega Seamaster 300 (Ref. 165.024) Omega Refurbished!
A 1969 Omega Seamaster 300 with a refurbished case, produced by Centrale Boîtes (CB), and featuring an original matte dial.
- Condition: Very good, refurbished by Omega
- Calibre: 550
- Year: 1969
- Case Size: 42mm
![[WTS] Omega Seamaster 300M Auto 36mm Blue Wave Dial Full Set 168.1602](https://preview.redd.it/nj7aw9thh5xe1.jpg?width=640&crop=smart&auto=webp&s=6588b51897d14ccfea4c442c1b95208b70978c21)
Omega Seamaster 300M Auto 36mm Blue Wave Dial Full Set 168.1602
This is a Omega Seamaster 300M Auto with a blue wave dial in a 36mm case.
- Case size: 36mm
- Shipping includes: shipping