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
![[WTS] 1969 Omega Seamaster 300 (Ref. 165.024) W BOX & *OMEGA REFURBISHED*](https://preview.redd.it/1xglq27x2a8f1.jpeg?auto=webp&s=da552768eb8d7093446c59b0ba030776e77be892)
1969 Omega Seamaster 300 (Ref. 165.024) W BOX & *OMEGA REFURBISHED*
1969 Omega Seamaster 300 produced by Centrale Boîtes, refurbished at Omega, comes with Omega authentication document and new 'old style' Omega box.
- Condition: Very good, with slight aging of hands and dial
- Calibre: 550
- Case size: 42mm
- Case maker: Centrale Boîtes (CB)
![[WTS] Omega Seamaster 300 Heritage (ceramic)](https://external-preview.redd.it/2Z9a42pNErEqHUbNKPJqovBLpxTTbJAMpWVLnL79YVQ.jpeg?auto=webp&s=07d44a5f7c324f12ca842cb8d774dd229c74b6fe)
Omega Seamaster 300 Heritage (ceramic)
A ceramic Omega Seamaster 300 Heritage with a matte black dial, stainless steel case, and 41mm diameter. It features a domed sapphire crystal, vintage-style Super-LumiNova lume, and a stainless steel bracelet.
- Condition: Excellent—light desk-wear on clasp; no dings or deep scratches
- Movement: Omega Master Co-Axial Calibre 8400
- Bezel: Ceramic
- Case material: Stainless steel

Omega Seamaster 300 2531.80
This Omega Seamaster 300 is a great daily wear option, with no stretch in the bracelet and a comfortable fit for wrists sized about 7.25 inches.
- Condition: Great condition, some wear on bezel insert and small ding on end link
- Bracelet size: 7.25 inches
- Number of links: 4 removable links total
![[WTS] Omega Seamaster 300 2531.80](https://external-preview.redd.it/U8VC8NIHC9pZDWw84TRs2Rp7lqdkMjG91hgZA1DhlC8.png?auto=webp&s=3277e5598c79e1b5e1ff576899edb1180ad981b7)
Omega Seamaster 300 2531.80
A daily-wearable Omega Seamaster 300 in great condition, with a 7.25" wrist size and no stretch in the bracelet.
![[WTS] Omega Seamaster 300M - Blue - $4000 Shipped](https://external-preview.redd.it/VWL_aB0BhKP9Y3JiAl7AdTmkpVGBUQC8qixjujDrZuc.jpeg?auto=webp&s=f3004e5fecadd1e5af1ca30aed06613c38fcf4bc)
Omega Seamaster 300M - Blue - $4000 Shipped
A one-year-old Omega Seamaster 300M in blue, purchased new from Jomashop and showing some wear. The watch has been well-maintained with a replaced pin & buckle strap and an included Omega Nato Strap. Additional straps and accessories are available for separate purchase.
- Condition: Moderate signs of desk diving marks, no major nicks or dents
- Strap: Omega Rubber strap with Deployant Clasp
- Included extras: Omega Nato Strap, optional bracelet and black leather strap

Pre-Owned Omega Seamaster 300 233.32.41.21.01.002
This pre-owned Omega Seamaster 300 is a black dial watch with automatic movement, 41mm stainless steel case, water resistance of 300 meters, and brown leather strap.
- Condition: 94% condition due to faint marks on the bezel and throughout the case, minor creasing and faint marks on the clasp
- Case size: 41mm diameter
- Material: Stainless Steel
- Dial color: Black
![[WTS] Omega Seamaster 300M Transitional Ref 2220.80 "Casino Royale"](https://preview.redd.it/fgx8zqyggr7f1.png?auto=webp&s=2895aa37fb80b543c7f4e81ab7a7f64b530a90a6)
Omega Seamaster 300M Transitional Ref 2220.80 "Casino Royale"
This Omega Seamaster 300M Transitional model is a rare find, featuring the slim case and aluminum bezel of the classic 2531.80 Bond style with the new co-axial movement and updated dial.
- Condition: Pre-owned
- Movement: Co-Axial
- Water Resistance: 50m depth rating
- Case Size: Full size automatic
![[WTS] Omega Seamaster 300M full kit w/ extra nato](https://external-preview.redd.it/dX4kJrH8aBaM_Dy2pC55qDecRhRuc8CVxG0VJhAnSko.jpeg?auto=webp&s=8acbd39d22d737b1adeed0aa8239e700523bdd06)
Omega Seamaster 300M full kit w/ extra nato
A Omega Seamaster 300M sold with a rubber strap and an extra Omega nato. The watch comes with warranty card, inner and outer boxes.
- Warranty Card Date: 2020

Pre-Owned Omega Seamaster 300 233.32.41.21.01.002
This pre-owned Omega Seamaster 300 is a black dial watch with an automatic movement, 41mm stainless steel case, water resistance of 300 meters, and comes with a brown leather strap. It's in good condition but has some cosmetic imperfections.
- Condition: 94% condition, with faint marks on the bezel and case, minor creasing and faint marks on the clasp
- Case size: 41mm
- Material: Stainless Steel
- Dial color: Black