Omega Seamaster 300 Seamaster 300 Master Chronometer Stainless Steel / Black / Bracelet

Reference 234.30.41.21.01.001

Omega Seamaster 300 Master Chronometer Stainless Steel / Black / Bracelet

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.
Buy Now on Jomashop
This is an affiliate link
MSRP: $7,100
Market Price: $4,115

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 300 233.30.41.21.01.001 - Full Kit

Omega Seamaster 300 233.30.41.21.01.001 - Full Kit

Omega - 300 233.30.41.21.01.001 · $4,000
The Omega Seamaster 300 is a high-end watch that features a 41mm case diameter and 300m water resistance.

  • Movement: Omega 8400 Co-Axial
  • Crystal: Sapphire
  • Water Resistance: 300m
Posted at
Oct 26, 2025, 2:43 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300m 212.30.41.61.01.001

Omega Seamaster 300m 212.30.41.61.01.001

Omega - 212.30.41.61.01.001 · $1,900
A Omega Seamaster 300m quartz movement watch with a 41mm case size and full size bracelet, produced in 2012.

  • Condition: good, some light scratches on the bracelet
  • Movement: quartz
  • Case size: 41mm
  • Bracelet type: full-size
Posted at
Oct 26, 2025, 2:38 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300 Full Steel Yellow Patina Very Rare Original Owner 1960s (Unpolished)

Omega Seamaster 300 Full Steel Yellow Patina Very Rare Original Owner 1960s (Unpolished)

Omega - 165.024 · $9,300
A highly sought-after 1960s Omega Seamaster 300 Ref. 165.024, preserved in remarkable all-original and unpolished condition.

  • Condition: Unpolished, all-original condition with signs of wear consistent with careful use over time
  • Size: 41mm
  • Year: 1960s
  • Bakelite bezel status: intact and well-preserved
Posted at
Oct 26, 2025, 10:40 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300 M Black Dial Brand New 2025 Unworn Full Kit 210.30.42.20.01.010 - $5,795 obo Shipped CONUS

Omega Seamaster 300 M Black Dial Brand New 2025 Unworn Full Kit 210.30.42.20.01.010 - $5,795 obo Shipped CONUS

Omega - 210.30.42.20.01.010 · $5,795
This Omega Seamaster Diver 300M features a black wave dial and METAS-certified movement, with a stainless steel case and mesh bracelet.

  • Condition: New Unworn
  • Case size: 42mm
  • Water resistance: 300m / 1000ft depth rating
  • Movement caliber: Omega Caliber 8800 Co-Axial Master Chronometer
Posted at
Oct 25, 2025, 11:25 PM
Active
View listing on r/WatchExchange
[WTS] Forstner Bracelet | Omega Seamaster 300m (Current Wave Dial) $135

Forstner Bracelet | Omega Seamaster 300m (Current Wave Dial) $135

Omega - 300m · $135
For sale is an Omega Seamaster 300m with a current wave dial.

  • Diameter: 40mm
Posted at
Oct 24, 2025, 3:01 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300M Blue - $3950

Omega Seamaster 300M Blue - $3950

Omega - 210.30.42.20.03.001 · $3,950
This Omega Seamaster Professional 300M features a blue dial and comes as a full kit, including original box, papers, and warranty card. The watch is in excellent shape and runs perfectly.

  • Condition: great condition with minor signs of wear on the clasp
  • Case size: 42mm diameter
  • Water resistance: 300m depth rating
Posted at
Oct 23, 2025, 12:47 AM
Active
View listing on r/WatchExchange
[wts] Omega Seamaster 300 Blue 234.30.41.21.03.001 LNIB

Omega Seamaster 300 Blue 234.30.41.21.03.001 LNIB

Omega - 234.30.41.21.03.001 · $4,995
For sale is a like new condition Omega Seamaster 300 with blue dial, unsized and complete with all original accessories.

  • Condition: Like new in box (LNIB)
  • Case size: 41mm
  • Dial color: Blue
Posted at
Oct 22, 2025, 4:16 PM
Active
View listing on r/WatchExchange
[WTS] 2024 Omega Seamaster 300M

2024 Omega Seamaster 300M

Omega - 300M · $5,850
A 2024 Omega Seamaster 300M purchased from the Omega boutique in December 2024.

  • Condition: Pre-owned, minor marks on the underside of clasp
  • Purchase Year: 2024
Posted at
Oct 21, 2025, 10:28 AM
Active
View listing on r/WatchExchange
[WTS] 2023 Omega Seamaster 300 210.32.42.20.03.001 "Blue Wave" | Full set

2023 Omega Seamaster 300 210.32.42.20.03.001 "Blue Wave" | Full set

Omega - 210.32.42.20.03.001 · $4,350
A mint example of the Omega Seamaster 300, with light handling marks and a warranty card dated 2023. The watch is in excellent condition and comes with its full set.

  • Condition: Very good condition
  • Warranty card date: 2023
  • Shipping: fully insured FedEx 2-Day shipping
Posted at
Oct 20, 2025, 7:05 PM
Active
View listing on r/WatchExchange