Omega Seamaster 300 Seamaster 300 Master Chronometer Stainless Steel / Black / Bracelet
Reference 234.30.41.21.01.001
About this watch
The Omega Seamaster 300 Master Chronometer is a luxurious timepiece that embodies the spirit of adventure while delivering peak performance. Its stunning black dial, mixed indexes, and arrow-shaped hands create a sophisticated look that's perfect for formal or casual settings. The sapphire crystal glass provides excellent clarity, and the open case back showcases Omega's craftsmanship. This watch is built to withstand diving conditions with its robust stainless steel bracelet and 300-meter water resistance. At its core beats the Omega caliber 8912, an automatic movement featuring a Co-Axial escapement that minimizes friction, enhancing precision and reliability. The Seamaster 300 Master Chronometer is a certified chronometer that promises reliability, making it a worthy companion for years to come.
Key Features
- 41mm Round Case
- Stainless Steel Bracelet with 21mm Lug Width
- Sapphire Crystal Glass
- Omega Caliber 8912 Automatic Movement
- Co-Axial Escapement and METAS Certification
- 300-Meter Water Resistance
Specifications
- Brand
- Omega
- Family
- Seamaster 300
- Model
- Seamaster 300 Master Chronometer Stainless Steel / Black / Bracelet
- Reference
- 234.30.41.21.01.001
- Movement
- 8912
- Movement Features
-
- Hours, Minutes, Seconds
- Chronometer, Co-Axial Escapement
- Case
- 41mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] Omega Seamaster 300 Blue Dial Co-Axial Master Chronometer - Full Set - Ref. 234.30.41.21.03.001 - $4500 OBO](https://preview.redd.it/b8s3ohsczzkf1.jpg?width=640&crop=smart&auto=webp&s=2ee1dcf6c0f996c9354655cb0920b017b6e3f7f5)
![[WTS] Omega Seamaster 300m Blue 212.30.41.20.03.001](https://preview.redd.it/2mmti4vuitkf1.jpg?width=640&crop=smart&auto=webp&s=6428b6b568e5eb909b8a4d555baf12c4c05cf821)
Omega Seamaster 300m Blue 212.30.41.20.03.001
This Omega Seamaster Professional 300m Blue is a men's watch featuring a blue dial and a stainless steel bracelet.
- Length of bracelet: 7.75 inches
![[WTS] 1969 Omega Seamaster 300 (Ref. 165.024) W BOX & *OMEGA REFURBISHED*](https://preview.redd.it/r93ontf1fmkf1.jpeg?auto=webp&s=b207c4b004fa9de70e46cdcfede9a691082c1596)
1969 Omega Seamaster 300 (Ref. 165.024) W BOX & *OMEGA REFURBISHED*
This 1969 Omega Seamaster 300 is a stunning collectors piece with a matte dial and original lines. It has been refurbished at Omega and comes with an authentication document and new box.
- Condition: Very good condition, refurbished
- Case makers: Two: Huguenin Frères (HF) and Centrale Boîtes (CB)
- Box type: Old style
- Papers included: Omega authentication document
![[WTS] New Omega Seamaster 300m Diver | ref. 210.30.42.20.01.010 | 2025 Complete Set](https://preview.redd.it/xm2qn2uzklkf1.jpeg?auto=webp&s=832003121ca5aecd468be28dfb6d2213af9fc8c1)
New Omega Seamaster 300m Diver | ref. 210.30.42.20.01.010 | 2025 Complete Set
This Omega Seamaster 300m Diver is a brand new, complete set watch in excellent condition. It features a 42mm diameter case and has a depth rating of 300m.
- Condition: new, unworn
- Depth rating: 300m
- Set contents: Double Boxed with Travel Case, Warranty Card, Pictograms and Master Chronometer Card, Instruction Booklet
![[WTS] Omega Seamaster 300M Black Wave on Rubber Strap - 2025 Mint Condition](https://preview.redd.it/yy4bfk4u7lkf1.jpg?width=640&crop=smart&auto=webp&s=c75b01a2a71b17ab0d138c50692a18ab4a071103)
Omega Seamaster 300M Black Wave on Rubber Strap - 2025 Mint Condition
For sale is my Omega Seamaster 300M black wave dial 42mm on OEM rubber strap.
- Condition: Mint Condition (9.5/10)
- Purchase Date: March 2025
- Strap Material: Rubber
- Original Accessories: Yes, includes boxes, manual, chronometer card, pictograms, and Jomashop warranty
![[WTS][CONUS] Omega Seamaster 300m - $4000](https://preview.redd.it/noi4hp7rykkf1.jpeg?auto=webp&s=7a8debfcd8b938d32d6b01f34fdfa90504b71da7)
[CONUS] Omega Seamaster 300m - $4000
A black dial Omega Seamaster 300m for sale, featuring a rubber strap and included inner box, outer box, and warranty card. The watch runs perfectly and comes with a tapper's warranty card.
- Condition: Like new with signs of wear
- Box: Inner box, outer box
- Strap: Rubber strap
- Warranty: Tapper’s warranty card
![[WTS][US] Omega Seamaster 300 Heritage - 41mm - Black Dial - 233.30.41.21.01.001 - on Nato Strap](https://preview.redd.it/cyc3stjy5dkf1.jpg?width=640&crop=smart&auto=webp&s=4c3ae1f609ce85e14d2fd686671e79e71c2577bb)
[US] Omega Seamaster 300 Heritage - 41mm - Black Dial - 233.30.41.21.01.001 - on Nato Strap
Up for sale is an Omega Seamaster 300 Heritage - 41mm - Black Dial, a mechanically perfect watch that comes with various accessories.
- Condition: Fantastic
- Case size: 41mm
![[WTS] Omega Seamaster 300M Quartz 2223.80 – 36mm Mid-Size; Last Quartz SMP Model](https://preview.redd.it/yg3aacng1akf1.jpg?width=640&crop=smart&auto=webp&s=6ea327677bc7d92c3c77980106935f39673fdb8b)
Omega Seamaster 300M Quartz 2223.80 – 36mm Mid-Size; Last Quartz SMP Model
This is a Omega Seamaster 300M Quartz in a 36mm mid-size case, which is the last quartz model of the Seamaster Professional series.
- Size: 36mm diameter