Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Green / Bracelet
Reference 210.30.42.20.10.001
About this watch
The Omega Seamaster Diver 300M Master Co-Axial 42 is a masterpiece of luxury watchmaking, combining advanced technology, stunning design, and rich history to create a timepiece that speaks to those who appreciate the finer things in life. The striking green ceramic bezel and robust movement are nestled within a stainless steel case, complemented by a sapphire crystal and stick indexes for quick reading. This watch is not only a tool but also a companion for life's adventures—both on land and underwater. With its impressive water resistance of 300 meters and luminous hands and markers, visibility is exceptional, even in low-light conditions. The Omega caliber 8800 automatic movement showcases the brand's commitment to precision, featuring a Co-Axial escapement that reduces friction and increases longevity. This watch has undergone rigorous testing as per the Master Chronometer certification process approved by METAS, making it resistant to magnetic fields up to 15,000 gauss.
Key Features
- Green ceramic bezel
- Omega caliber 8800 automatic movement with Co-Axial escapement
- 300 meters water resistance
- 42.00 mm stainless steel case
- Sapphire crystal
- Stick indexes for quick reading
- Luminous hands and markers
Specifications
- Brand
- Omega
- Family
- Seamaster Diver 300m
- Model
- Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Green / Bracelet
- Reference
- 210.30.42.20.10.001
- Movement
- 8800
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- 42mm
- Dial Color
- Green
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] 2025 Omega Seamaster Professional Diver 300M | SMP 300 | Seaweed | 210.30.42.20.10.001 | Complete | BNIB](https://preview.redd.it/bhn9z888m5vf1.jpg?width=640&crop=smart&auto=webp&s=7b93f7110151bffe39a85c717fd054f1aa656442)
2025 Omega Seamaster Professional Diver 300M | SMP 300 | Seaweed | 210.30.42.20.10.001 | Complete | BNIB
A brand new Seaweed dial SMP300, in new condition dated 09/2025, presented as a complete set direct from the AD.
- Condition: New
- Year: 2025
- Model type: Seamaster Professional Diver 300M
- Dial color: Seaweed

MINT Omega SEAMASTER DIVER 300M GREEN WAVE DIAL BRACELET 2025 WARRANTY FULL SET
A 2025 Omega Seamaster Diver 300m in 42mm stainless steel with a green ceramic bezel and wave dial. The watch features an Omega Co-Axial Master Chronometer 8800 automatic movement.
- Condition: Mint, Unpolished Condition
- Movement: Omega Co-Axial Master Chronometer 8800 Automatic
- Case size: 42mm diameter
- Bezel material: Green Ceramic

Omega Seamaster Diver 300M Seaweed Green Ceramic Box Papers 210.30.42.20.10.001
The Omega Seamaster Diver 300M features a Seaweed Green Ceramic wave dial and green ceramic bezel on a 42mm stainless steel bracelet. It's powered by the in-house Co-Axial Caliber 8800 movement, which offers a 55-hour power reserve and 300 meters of water resistance.
- Condition: 96% Near Mint Condition
- Movement: In-House Co-Axial Caliber 8800
- Water Resistance: 300m/1000ft
- Power Reserve: 55 hours

Omega Seamaster 300 - Green Wave Dial - 210.30.42.20.10.001 ( new / 2024 )
This Omega Seamaster 300 features a 42mm stainless steel case and an 8800 Master Co-Axial movement, with a green wave dial.
- Condition: Brand new
- Case size: 42mm diameter
- Movement type: Master Co-Axial
![[WTS] 2025 BNIB Omega Seamaster Diver 300M Black 210.30.42.20.01.001 Full Set](https://preview.redd.it/4qf11au9grvf1.jpg?width=640&crop=smart&auto=webp&s=0e0636731ed65e497924ef7ccc3fac68e97bfc3f)
2025 BNIB Omega Seamaster Diver 300M Black 210.30.42.20.01.001 Full Set
2025 Omega Seamaster Diver 300M Black 42mm daily diver with a full set, brand new and dated Sept 2025.
- Condition: new, unsized, never worn
- Size: 42mm diameter
- Year: 2025
![[WTS] Omega Seamaster Diver 300M Black Ceramic 2024 Box And Papers 210.92.44.20.01.003](https://preview.redd.it/nm9mb4p2epvf1.png?auto=webp&s=dc9014af2a6e2f3649dc987229dae2c9fa1d63d4)
Omega Seamaster Diver 300M Black Ceramic 2024 Box And Papers 210.92.44.20.01.003
The Omega Seamaster Diver 300M Black Ceramic Ref. 210.92.44.20.01.003 is a bold and stealthy take on one of Omega’s most iconic dive watches, featuring a 43.5mm black ceramic case with a sleek, matte finish.
- Case material: black ceramic
- Diameter: 43.5mm
![[WTS] Omega Seamaster Diver 300M James Bond Full Steel Blue Dial (Full-Set/Mint)](https://preview.redd.it/vhdj2ggbukvf1.jpg?width=640&crop=smart&auto=webp&s=d6006b7aa01c887f5353d6415f70271efbdba834)
Omega Seamaster Diver 300M James Bond Full Steel Blue Dial (Full-Set/Mint)
This Omega Seamaster Diver 300M James Bond watch is a modern diver's watch directly tied to the iconic 007 legacy, featuring a full stainless steel case and a striking blue wavy dial.
- Condition: like new to unworn
- Case material: full stainless steel
- Bracelet type: steel mesh
- Band size: not specified
![[WTS] Omega Seamaster Diver 300M 210.32.42.20.01.001 2024](https://preview.redd.it/olp9jzavmbvf1.jpg?width=640&crop=smart&auto=webp&s=9a8b34b1ceab934cf879c6f430c684a21248d865)
Omega Seamaster Diver 300M 210.32.42.20.01.001 2024
A modern icon of precision and elegance, this Omega Seamaster Diver 300M features a black ceramic dial with laser-engraved wave pattern, unidirectional ceramic bezel, and helium escape valve. Measuring 42mm, it perfectly blends sport and style for everyday wear or ocean adventure.
- Condition: Mint condition
- Case size: 42mm
- Material: stainless steel
- Diameter: 40mm (bezel)
![[WTS] OMEGA Seamaster Diver 300M Silver |ref. 210.30.42.20.06.002 | 2025 Complete Set](https://preview.redd.it/988biz7x9bvf1.jpeg?auto=webp&s=cdd9a5178b297f158cdf69a0463e7f4fd4ae539b)
OMEGA Seamaster Diver 300M Silver |ref. 210.30.42.20.06.002 | 2025 Complete Set
This OMEGA Seamaster Diver 300M Silver is a high-end watch from the 2025 collection, featuring a complete set of accessories and documentation. The watch itself is in excellent condition with minor wear, including lighter scratches and hairlines.
- Condition: Excellent Preowned, minor wear in form of lighter scratches/hairlines
- Box: Double Boxed
- Papers: Pictograms x Master Chronometer Cert, Instruction Book, 2025 Warranty Card
- Crystals: Both crystals clean