Omega Seamaster 300 Seamaster 300 Master Chronometer Stainless Steel / Black / Strap
Reference 234.32.41.21.01.001
About this watch
The Omega Seamaster 300 Master Chronometer is a luxurious dive watch that combines functionality with aesthetics. Its sleek design and impressive specifications make it a statement piece on the wrist. The 41mm round case made of stainless steel strikes a perfect balance between robustness and elegance, while the matte black finish gives it a stealthy look. The watch features a sapphire crystal, METAS-certified automatic movement, and a Co-Axial escapement that reduces friction and enhances longevity. With a water resistance rating of 300 meters, this watch is perfect for professional divers and casual swimmers alike. It's a versatile timepiece that can easily transition from day to night, making it suitable for both underwater exploration and formal occasions.
Key Features
- 41mm round stainless steel case
- Sapphire crystal for added durability
- METAS-certified Omega caliber 8912 automatic movement
- Co-Axial escapement for reduced friction and enhanced longevity
- 300-meter water resistance rating
- Rotating bezel marked from 0 to 60
- 21mm lug width for comfortable fit
Specifications
- Brand
- Omega
- Family
- Seamaster 300
- Model
- Seamaster 300 Master Chronometer Stainless Steel / Black / Strap
- Reference
- 234.32.41.21.01.001
- 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 300M - Summer Blue - 42mm - 210.30.42.20.03.003 ( new / 2024 )
This Omega Seamaster 300M 42mm Summer Blue Dial is a brand new watch with all original boxes, papers, and accessories.
- Condition: Brand new
- Case material: Stainless steel
- Movement: 8800 Master Co-Axial

Omega Seamaster 300M - Summer Blue - 42mm - 210.32.42.20.03.002 ( new / 2024 )
This Omega Seamaster 300M is a 42mm stainless steel watch featuring a Summer Blue dial and diver strap, complete with all original boxes, papers, and warranty card.
- Condition: Brand new
- Case size: 42mm
- Movement type: 8800 Master Co-Axial Movement

OMEGA SEAMASTER 300 MASTER CHRONOMETER Black
This Omega Seamaster 300 features a black bezel, black dial, and is water-resistant to 300m with a 60 hour power reserve. It has an in-house master coaxial movement and comes on a new style Omega bracelet with microadjustment.
- Condition: Excellent
- Movement: in-house master coaxial 8400
- Water resistance: 300m
- Power reserve: 60 hours

Omega Seamaster 300 - Black Wave Dial - 210.30.42.20.01.001 ( new / 2025 )
This Omega Seamaster 300 is a brand new timepiece with a black wave dial, featuring a 42mm stainless steel case and the Master Co-Axial Movement. It comes complete with all original boxes, papers, booklets, hang tag, and an Omega warranty card dated January 2025.
- Condition: Brand new
- Case Size: 42mm
- Movement: 8800 Master Co-Axial

Omega Seamaster 300M - Black Dial - Diver - 210.32.42.20.01.001 ( new / 2024 )
Up for sale is a brand new Omega Seamaster 300 42mm Black Wave Dial on Rubber Strap, reference # 210.32.42.20.01.001.
- Condition: Brand new
- Case material: Stainless Steel
- Movement type: Master Co-Axial
Omega Seamaster 300M Blue 42MM - Ref 210.30.42.20.03.001 (2022 LIKE NEW COMPLETE)
A 42MM Omega Seamaster 300M Blue with all functions working properly and included accessories.
- Condition: Like new, worn less than a handful of times
- Box And Papers: Complete box and papers, dated May 2022
- Included Accessories: Outer sleeve, outer box, inner box, instruction manual, serialized hangtag, dust bag

Omega Seamaster 300M Bronze Gold box/Papers
This Omega Seamaster 300M features a 41mm case, automatic movement, and 9k Bronze Gold details.
- Condition: Excellent condition
- Wrist size compatibility: up to an 8 inch wrist
- Case size: 41mm
- Movement type: Automatic

LNIB Omega Seamaster 300 Heritage Black 41mm Steel Bracelet 2017 Complete
A 2017 Omega Seamaster 300 Heritage with a 41mm steel case and liquidmetal bezel, powered by the Caliber 8840 self-winding movement.
- Condition: Like New
- Movement: Caliber 8840 self-winding
- Box Papers: true

LNIB Omega Seamaster 300 Pro Ceramic Titanium Rubber Strap 2022 Complete!
This Omega Seamaster 300 Professional is a master chronometer with a ceramic and titanium case, featuring a rubber strap and measuring 43.5mm in diameter.
- Condition: Like New
- Case material: Ceramic/Titanium
- Strap material: Rubber