Omega Seamaster 300 Seamaster 300 Master Co-Axial Titanium / Blue / Bracelet
Reference 233.90.41.21.03.001
About this watch
The Omega Seamaster 300 Master Co-Axial Titanium stands out as a remarkable blend of style, functionality, and innovation. This stunning timepiece is a game-changer with its use of titanium, which is lighter than stainless steel yet incredibly durable and resistant to corrosion. The deep blue dial catches the light beautifully, ensuring it stands out without being overly flashy. With a smooth finish and vibrant hue, it's reminiscent of ocean depths and aquatic adventures. At the core of this watch is the Omega caliber 8400 movement, a self-winding marvel featuring a Co-Axial escapement that enhances precision and stability while reducing friction. This means fewer maintenance needs over time, allowing you to enjoy your watch without frequent trips to the jeweler. With its impressive water resistance of 300 meters (or 1,000 feet), this watch is perfect for diving, swimming, or just splashing around at the beach. Its elegant design allows it to pair well with various outfits, making it suitable for both casual and formal occasions.
Key Features
- Omega caliber 8400 self-winding movement
- Titanium case and bracelet
- Deep blue dial with stick and dot indexes
- Rotating bezel with 0-60 dive scale
- 300 meters water resistance
- 41.00 mm diameter
- Sapphire glass
Specifications
- Brand
- Omega
- Family
- Seamaster 300
- Model
- Seamaster 300 Master Co-Axial Titanium / Blue / Bracelet
- Reference
- 233.90.41.21.03.001
- Movement
- 8400
- Movement Features
-
- Hours, Minutes, Seconds
- Chronometer, Co-Axial Escapement
- Case
- 41mm
- Dial Color
- Blue
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] 2024 Omega Seamaster 300m Professional](https://preview.redd.it/q1iu9pgsuk5f1.jpg?width=640&crop=smart&auto=webp&s=9b892f8e192e1781087fb06b1bfa564edf89e966)
2024 Omega Seamaster 300m Professional
This Omega Seamaster 300m Professional is a high-end watch with a September 2024 warranty card that remains valid until 2029. It comes with a full box, manual, and OEM bracelet with micro adjust.
- Condition: Excellent
- Strap included: no
- Bracelet type: mesh bracelet
- Bracelet condition: minimal marks

Omega Seamaster 300M - White Dial - 42mm - 210.30.42.20.04.001 ( new / 2025 )
This Omega Seamaster 300 is a brand new model featuring a 42mm stainless steel case, white dial, and black bezel on a bracelet.
- Condition: Brand new
- Case size: 42mm
- Movement: 8800 Master Co-Axial
![[WTS] 1969 Omega Seamaster 300 (Ref. 165.024) Omega](https://preview.redd.it/ct9gkc4n7i5f1.jpeg?auto=webp&s=de4a2ebd25fafc75472ea707710efc7d38b0aa75)
1969 Omega Seamaster 300 (Ref. 165.024) Omega
This is a 1969 Omega Seamaster 300 with a refurbished case and original lines.
- Condition: Very good condition, refurbished by Omega
- Production Year: 1969
- Case Maker: Centrale Boîtes (CB)
- Calibre: 550
(SOLD) Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set
The Omega Seamaster 300M is a stainless steel automatic watch with a date display and water resistance of up to 300m.
- Status: (SOLD)

Omega Seamaster 300M - Black Aluminum - 210.30.42.20.01.010 ( new / 2025 )
This Omega Seamaster 300M features a 42mm stainless steel case with a black aluminum dial and mesh bracelet, powered by the Master Co-Axial Movement.
- Condition: Brand new
- Case size: 42mm
- Movement: 8806 Master Co-Axial

Omega Seamaster 300M - Summer Blue - 42mm - 210.30.42.20.03.003 ( new / 2024 )
This Omega Seamaster 300M 42mm features a Summer Blue dial on a stainless steel bracelet, powered by the Master Co-Axial movement.
- Condition: Brand new
- Case size: 42mm
- Movement type: Master Co-Axial

Omega Seamaster 300M | 210.62.44.20.01.00 - Full Set
A black ceramic and 18K gold Omega Seamaster 300M with a wave dial, measuring 43.5mm in diameter.
- Condition: Very Good (VG)
- Case size: 43.5mm
- Material: Black Ceramic and 18K Gold

Omega Seamaster 300M - 210.32.42.20.03.001
This Omega Seamaster 300M is a high-end diving watch with a 42mm case size and 300m water resistance rating. It features a very good condition, minor-wear-only case with perfect front and back sapphire crystals.
- Condition: Very good condition
- Case Size: 42mm
- Water Resistance Rating: 300m (1000 ft.)
- Depth Rating: 300m depth rating