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

2023 Omega Seamaster 300m Ref: 210.32.42.20.10.001 Green Dial "Seaweed" w/ B+P
This 2023 Omega Seamaster 300m features a 42mm case, green ceramic bezel, and a green wave dial with Luminova markers.
- Condition: Excellent with light wear
- Case size: 42mm diameter
- Serial number: A,1XX,XXX
- Accessories: inner and outer boxes, warranty cards, card holder, receipt, booklet

LNIB Omega Seamaster 300 Pro 43.5mm Ceramic Case Rubber Strap 2022 Complete
A 2022 Omega Seamaster 300 Professional diver's watch with a ceramic/titanium case and rubber strap, featuring a Master Chronometer Omega Caliber 8806.
- Condition: Like New Condition
- Case material: Ceramic/Titanium
- Case diameter: 43.5mm
- Band type: Rubber Strap
2022 Omega Heritage Seamaster 300, Blue Dial (Full Set) Warranty Through 7/7/2027
This Omega Heritage Seamaster 300 features a stunning blue sandwich dial with vintage Super-LumiNova indices and rhodium-plated hands. The watch is in excellent condition, with minor superficial signs of use on the bracelet.
- Condition: Excellent
- Case material: 316L Stainless Steel
- Bezel material: Oxalic Acid Anodized Aluminium
- Water resistance: 300m

2023 Omega Seamaster 300m Ref: 210.32.42.20.10.001 Green Dial "Seaweed" w/ B+P
2023 Omega Seamaster 300m Ref: 210.32.42.20.10.001 Green Dial 'Seaweed' is a 42mm dive watch with excellent condition green ceramic bezel and Luminova markers.
- Condition: Excellent with minor wear
- Case size: 42mm
- Serial number: A,1XX,XXX
- Accessories included: inner and outer boxes, warranty cards, card holder, receipt, booklet

Omega Seamaster 300M - Blue Dial - 210.30.42.20.03.001 (excellent / complete)
This Omega Seamaster 300M features a 42mm stainless steel case with a blue dial and bezel, powered by the Master Co-Axial Movement.
- Condition: Excellent / Complete Set
- Case size: 42mm diameter
- Movement type: Master Co-Axial

LNIB Omega Seamaster 300 Pro 43.5mm Ceramic Case Rubber Strap 2022 Complete
2022 Omega Seamaster 300 Professional with ceramic/titanium case, rubber strap, and Master Chronometer Caliber 8806 movement.
- Condition: Like New Condition
- Case Material: Ceramic/Titanium
- Case Size: 43.5mm diameter

Omega Seamaster 300M - Black Aluminum - 210.32.42.20.01.003 ( new / 2025 )
This Omega Seamaster 300 is a brand new watch featuring a 42mm stainless steel case and black aluminum dial.
- Condition: Brand new
- Case Size: 42mm diameter
- Movement: 8806 Master Co-Axial Movement

Omega Seamaster 300 Heritage - Blue - 234.30.41.21.03.001 ( new / 2024 )
This Omega Seamaster 300 Heritage is a brand new 41mm stainless steel watch with a blue dial, accompanied by all original boxes, papers, and warranty card.
- Condition: Brand new
- Case size: 41mm diameter
- Movement: 8912 Master Co-Axial

Omega Seamaster 300 Heritage - Blue - 234.30.41.21.03.001 ( excellent )
Up for sale is an excellent condition Omega Seamaster 300 Heritage 41mm Blue Dial reference # 234.30.41.21.03.001 It comes complete with all boxes, papers, booklets, hang tag and Omega Warranty Card dated January 2023.
- Condition: Excellent
- Case size: 41mm
- Movement: Master Co-Axial Movement