Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Black / Bracelet
Reference 210.30.42.20.01.001
About this watch
The Omega Seamaster Diver 300M Master Co-Axial 42 is a masterpiece of watchmaking, blending luxury and functionality in a stunning package. Crafted from premium materials, this timepiece boasts exceptional build quality, Master Chronometer certification for accuracy, and an impressive water resistance of 300 meters. Its versatile design seamlessly transitions from casual to formal wear, while the comfortable fit with an adjustable bracelet ensures all-day wearability. This watch is not just a statement piece; it's a testament to Omega's commitment to excellence.
Key Features
- 42mm round case made from stainless steel
- Black ceramic bezel with 0-60 scale
- Sapphire crystal glass for added protection
- Master Chronometer certification for accuracy and performance
- Water resistance of 300 meters (1,000 feet)
- Self-winding movement powered by Omega caliber 8800
- Co-Axial escapement with reduced friction and increased accuracy
Specifications
- Brand
- Omega
- Family
- Seamaster Diver 300m
- Model
- Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Black / Bracelet
- Reference
- 210.30.42.20.01.001
- Movement
- 8800
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- 42mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[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
![[WTS] OMEGA Seamaster Diver 300m Chronograph 44mm Box & Papers - 210.32.44.51.01.001](https://preview.redd.it/eq618gaj55vf1.jpg?width=640&crop=smart&auto=webp&s=6e96922565aabc2a6f0c503d1edf94d028f63aea)
OMEGA Seamaster Diver 300m Chronograph 44mm Box & Papers - 210.32.44.51.01.001
A Seamaster Diver 300m Chronograph that combines a professional dive watch and chronograph functionality in one modern package.
- Condition: Very good, used condition with minor wear on the case
- Movement: Omega's Calibre 9900, METAS-certified Master Chronometer with co-axial escapement and 60-hour power reserve
- Case size: 44mm stainless steel
- Water resistance: 300m

Omega Seamaster Diver 300M Black Ceramic (210.92.44.20.01.003)
This Omega Seamaster Diver 300M Black Ceramic watch features a 44mm size and is in excellent condition, complete with a triple boxed set and various documentation.
- Condition: Excellent
- Size: 44mm diameter
- Depth rating: 30 bar (300m)
- Movement: Master Chronometer

2025 NEW UNWORN Omega Seamaster Diver 300M White Ceramic 210.32.42.20.04.001
This 2025 Omega Seamaster Diver 300M features a white ceramic dial with wave patterns, a stainless steel case with brushed and high-polished finish surfaces, and a black ceramic unidirectional bezel with a white enamel diving scale. It offers enhanced functionality for divers, including precise tracking of dive time.
- Condition: Brand new, unworn
- Case material: stainless steel
- Case size: 42MM
- Bezel type: black ceramic, unidirectional

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 - 210.30.42.20.04.001 - White Wave - 2024 - MINT
A modern Omega Seamaster Diver 300M with a white wave dial, available for inspection or pickup in Southern California.
- Condition: Pre-Owned - Mint
- Case Size: 41mm diameter
- Bracelet Type: Stainless Steel
- Dial: White Wave

2023 Omega Seamaster Diver 300m 43.5mm 210.92.44.20.01.003 Black Ceramic Dial
2023 Omega Seamaster Diver 300m with a black ceramic dial, adjustable black rubber strap, and other included accessories.
- Condition: Excellent overall condition
- Case size: 43.5mm diameter
- Water resistance: 300m depth rating
- Box and papers: Yes

Omega Seamaster Diver 300M 210.30.44.51.01.001
This Omega Seamaster Diver 300M is a high-end diver's watch with a stainless steel case and a date display. It features a black dial with silver hour markers and hands.
- Condition: Excellent condition
- Boxes included: true
- Book included: true
- Warranty card included: true

2023 Omega Seamaster Diver 300M 007 42mm Titanium Brown Dial
A 2023 Omega Seamaster Diver 300M James Bond 007 Edition with a 42mm titanium case and brown dial, featuring a Master Chronometer and various documentation.
- Condition: Excellent overall condition
- Warranty: 5 year manufacturer warranty
- Case size: 42mm diameter
- Band length: 8.5inch wrist (Adjustable Strap)