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

Omega Seamaster 300 - Bond - 007 - No Time To Die - NTTD ( excellent )
This excellent condition Omega Seamaster 300 is a limited edition James Bond watch from the 'No Time to Die' movie. It features a 42mm titanium case and comes with all original boxes, papers, booklets, leather pouch, hang tag, and Omega Warranty Card dated February 2024.
- Condition: Excellent
- Case material: Titanium
- Case size: 42mm
- Movement: Limited Edition - James Bond No Time To Die

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

Omega Seamaster 300M - Grey / Titanium - 42mm - 210.30.42.20.06.002 ( new )
This Omega Seamaster 300 is a Master Chronometer with a stainless steel case and 8806 movement. It features a grey dial and titanium bezel on a bracelet.
- Condition: Brand new
- Case size: 42mm diameter
- Movement: Master Co-Axial Movement 8806
Omega Seamaster 300m 41mm Black NOS 212.30.41.20.01.003
A 2018 Omega Seamaster 300m in black, still with factory plastics and unworn.
- Condition: New Old Stock (NOS)
- Year Of Manufacture: 2018
- Warranty Length: 1 year

Omega Seamaster 300M - Blue Dial - 210.30.42.20.03.001 ( excellent / 2024 )
This Omega Seamaster 300 is a Master Chronometer with a 42mm stainless steel case, featuring a blue dial and bezel on a bracelet.
- Condition: Excellent
- Movement: 8800 Master Co-Axial Movement
- Case size: 42mm diameter
- Shipping options: Fedex Express within the US, International Shipping adds $150
2022 Omega Heritage Seamaster 300, Blue Dial (Full Set)
This Omega Heritage Seamaster 300 features a stunning blue sandwich dial and a rhodium-plated movement showcased through a sapphire caseback.
- Condition: Excellent, with minor superficial signs of use on the bracelet
- Movement: Omega Co-Axial Master Chronometer Calibre 8912, self-winding, METAS-certified chronometer
- Bezel material: Oxalic Acid Anodized Aluminium
- Depth rating: 300m water resistance

Omega Seamaster 300M SS 42MM Diver Summer Blue Wave Dial 210.30.42.20.03.003 B
Up for sale is an Omega Seamaster 300M SS 42MM Diver Summer Blue Wave Dial, in excellent condition. The timepiece includes various accessories such as the inner and outer box, booklet, serial hang tag, pictogram card, master chronometer card, and international Omega warranty card.
- Condition: Excellent
- Case Size: 42mm
- Material: Stainless Steel

OMEGA Seamaster 300m Chronometer 2551.80 36mm Medium Size Automatic watch
This is a 36mm medium size Omega Seamaster 300m Chronometer, an automatic watch that is functioning fine but could benefit from a light polish.
- Condition: Pre-owned, needs polish and potential service
- Size: 36mm diameter
🎯Omega Seamaster 300M Bond 007 �NTTD�, Full Kit 210.92.42.20.01.001 🎯
This Omega Seamaster 300M Bond 007 watch comes with a NATO strap and is in great condition, making it one of the cleanest 2024 NTTD models available. The timepiece includes outer and inner boxes, warranty card, jeweler warranty, and manual.
- Condition: Great condition, no major blemishes
- Case Diameter: 42mm
- Water Resistance: 30 ATM
- Movement: Automatic 8806