Omega Seamaster 300 Seamaster 300 Master Chronometer Stainless Steel / Blue / Strap
Reference 234.32.41.21.03.001
About this watch
The Omega Seamaster 300 Master Chronometer is a masterpiece of horology, blending vintage charm with cutting-edge technology. Its stunning blue matte finish and mixed indexes create a sophisticated look, while the 41.00 mm stainless steel case strikes a perfect balance between boldness and wearability. The rotating bezel is functional and scratch-resistant sapphire crystal enhances visibility and durability. Powering this watch is the Omega caliber 8912 movement, boasting automatic winding, Co-Axial Escapement, and METAS certification for precision and performance. With its impressive water resistance of up to 300 meters, this watch is perfect for diving, swimming, or everyday wear. Certified as a chronometer, it guarantees impeccable timekeeping and style. Whether formal or casual, the Seamaster 300 adapts to your personal style with its versatile design and interchangeable strap options.
Key Features
- Omega caliber 8912 movement
- 41.00 mm stainless steel case
- Scratch-resistant sapphire crystal
- Rotating bezel for dive tracking
- Up to 300 meters water resistance
- Chronometer certified for precision and performance
- Interchangeable strap options
Specifications
- Brand
- Omega
- Family
- Seamaster 300
- Model
- Seamaster 300 Master Chronometer Stainless Steel / Blue / Strap
- Reference
- 234.32.41.21.03.001
- Movement
- 8912
- Movement Features
-
- Hours, Minutes, Seconds
- Chronometer, Co-Axial Escapement
- Case
- 41mm
- Dial Color
- Blue
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings

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

Omega Seamaster 300M - Summer Blue - 42mm - 210.30.42.20.03.003 ( mint )
Up for sale is a mint condition Omega Seamaster 300M 42mm Summer Blue Dial on Bracelet, complete with all boxes, papers, booklets, hang tag and Omega Warranty Card.
- Condition: Mint Condition
- Case size: 42mm
- Movement type: 8800 Master Co-Axial
- Shipping cost international: 150

Omega Seamaster 300M Black Black - Diver - 210.92.44.20.01.003 ( mint )
This Omega Seamaster 300 is a black ceramic diver's watch with a wave dial, featuring a 43.5mm case and the Master Co-Axial movement. It comes with all original boxes and papers.
- Condition: Mint Condition
- Case material: Black Ceramic
- Movement: 8806 Master Co-Axial Movement
- Size: 43.5mm diameter

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 Heritage Black 41mm Steel Bracelet 2017 Complete
A 2017 Omega Seamaster 300 Heritage in black with a 41mm steel bracelet and liquidmetal bezel, featuring the Caliber 8840 self-winding movement.
- Condition: Like New (LNIB)
- Movement caliber: 8840
- Bracelet material: steel

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