Omega Seamaster 300 Seamaster 300 Master Chronometer Stainless Steel / Black / Bracelet
Reference 234.30.41.21.01.001
About this watch
The Omega Seamaster 300 Master Chronometer is a luxurious timepiece that embodies the spirit of adventure while delivering peak performance. Its stunning black dial, mixed indexes, and arrow-shaped hands create a sophisticated look that's perfect for formal or casual settings. The sapphire crystal glass provides excellent clarity, and the open case back showcases Omega's craftsmanship. This watch is built to withstand diving conditions with its robust stainless steel bracelet and 300-meter water resistance. At its core beats the Omega caliber 8912, an automatic movement featuring a Co-Axial escapement that minimizes friction, enhancing precision and reliability. The Seamaster 300 Master Chronometer is a certified chronometer that promises reliability, making it a worthy companion for years to come.
Key Features
- 41mm Round Case
- Stainless Steel Bracelet with 21mm Lug Width
- Sapphire Crystal Glass
- Omega Caliber 8912 Automatic Movement
- Co-Axial Escapement and METAS Certification
- 300-Meter Water Resistance
Specifications
- Brand
- Omega
- Family
- Seamaster 300
- Model
- Seamaster 300 Master Chronometer Stainless Steel / Black / Bracelet
- Reference
- 234.30.41.21.01.001
- Movement
- 8912
- Movement Features
-
- Hours, Minutes, Seconds
- Chronometer, Co-Axial Escapement
- Case
- 41mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] Omega Seamaster 300 Heritage - Mint Condition + 2 new straps](https://external-preview.redd.it/c54w3xZXubCeAxKeICLpHrB_8bqChdEJkUE1cuO_tWo.jpeg?auto=webp&s=38a883640ac13ebf38fd3cb362514534b0f3db46)
Omega Seamaster 300 Heritage - Mint Condition + 2 new straps
The Omega Seamaster 300 Heritage reference 234.30.41.21.03.001 is a modern reissue of Omega's classic dive watch with a beautiful blue sandwich dial and vintage-inspired design. It blends vintage aesthetics with Omega's modern Master Chronometer movement and METAS certification, making it one of the most compelling heritage divers on the market. The watch comes as a full set, still under Omega factory warranty.
- Condition: Near Mint
- Case diameter: 41mm
- Movement type: Omega Master Chronometer automatic movement (Calibre 8912)
- Certification: METAS certified Master Chronometer
![[WTS] Omega Seamaster 300 Master Co-axial Blue Dial Box&papers Ref 233.62.41.21.03.00](https://preview.redd.it/pcqqi5wtdstg1.jpg?width=640&crop=smart&auto=webp&s=c0e87450a06d4c2ef2d3770717596c069e9d326c)
Omega Seamaster 300 Master Co-axial Blue Dial Box&papers Ref 233.62.41.21.03.00
This Omega Seamaster 300 Master Co-axial features a blue dial, an 18kt sedna gold bezel, and has been upgraded with an OEM black leather strap.
- Condition: Very good
- Bezel material: 18kt sedna gold
- Strap: OEM black leather
![[WTS] Omega Seamaster 300 Master Co-Axial Titanium Blue Dial 233.90.41.21.03.001 Full Kit $4,650](https://preview.redd.it/cpopsaz6fotg1.jpg?width=640&crop=smart&auto=webp&s=757762fafa31635f54a240c91b9ec9b42f0a40c8)
Omega Seamaster 300 Master Co-Axial Titanium Blue Dial 233.90.41.21.03.001 Full Kit $4,650
Up for sale is an Omega Seamaster 300 Master Co-Axial in titanium with a blue sandwich dial, featuring an automatic movement and a 300m water resistance.
- Condition: Excellent condition with minimal signs of wear
- Case size: 41mm
- Movement: Omega Master Co-Axial Caliber 8400 automatic movement
- Water resistance: 300m
![[WTS] Omega Seamaster 300M 210.30.42 Blue Dial 42mm - $3,450](https://preview.redd.it/hql5ou9abotg1.jpg?width=640&crop=smart&auto=webp&s=edd7e2ac6c2926f378f8952b1716f0fddc7935fd)
Omega Seamaster 300M 210.30.42 Blue Dial 42mm - $3,450
Up for sale is my Omega Seamaster Blue dial 210.30.42, measuring at 42mm with an automatic Calibre Omega 8800 movement.
- Condition: great condition, 8.9/10 exterior
- Movement: automatic Calibre Omega 8800
- Case size: 42mm diameter
- Case material: steel
![[WTS] Omega Seamaster 300m Professional Black Ceramic 210.30.42.20.01.001](https://preview.redd.it/afylbssquntg1.jpg?width=640&crop=smart&auto=webp&s=b74048db4a7263e674b3579c63e3f20449131ad4)
Omega Seamaster 300m Professional Black Ceramic 210.30.42.20.01.001
This Omega Seamaster 300m Professional features a black ceramic case, comes with both OEM bracelet and rubber strap, and is accompanied by box and papers.
- Condition: Pre-owned with minor scratches
- Case Material: black ceramic
- Bracelet: OEM
- Strap: rubber
![[WTS] Omega Seamaster 300M Co-Axial 41mm 2220.80 Box and Card - $2,950](https://preview.redd.it/b5glfl3cbhtg1.jpg?width=640&crop=smart&auto=webp&s=a6159e946916dbff8bf5804399303b26c5624870)
Omega Seamaster 300M Co-Axial 41mm 2220.80 Box and Card - $2,950
Up for sale is my Omega Seamaster 2220.80, a 41mm watch with an automatic co-axial cal 2500 movement.
- Condition: 8.9/10, great condition with minimal marks/hairlines on the case, caseback, and bracelet
- Movement: automatic co-axial cal 2500
- Bracelet size range: 7-7.25 inch, depending on wrist shape
(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