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.
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MSRP: $6,700
Market Price: $4,573

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

[WTS] Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 - $2,250

Omega Seamaster 300M Co-Axial Mid-size 36mm 2222.80 - $2,250

Omega - 2222.80 · $2,250
Up for sale is my very good Omega Seamaster 2222.80, which measures at 36mm and features an automatic co-axial cal 2500 movement.

  • Condition: Very good (8.9/10)
  • Case size: 36mm
  • Bracelet length: fits up to 7-7.25 inch wrists
  • Shipping duration: 3-5 days globally
Posted at
Apr 14, 2026, 4:29 AM
Active
[WTS] Omega Seamaster 300 Blue 41mm 234.30.41.21.03.001 – Excellent Condition – Full Set – 2023

Omega Seamaster 300 Blue 41mm 234.30.41.21.03.001 – Excellent Condition – Full Set – 2023

A modern Omega Seamaster 300 in blue, presented with a stunning blue sandwich dial and matching blue ceramic bezel.

  • Condition: Excellent
  • Case size: 41mm
  • Movement: Master Co-Axial Caliber 8912
Posted at
Apr 13, 2026, 9:32 PM
Active
[WTS] Omega Seamaster 300M Tokyo Olympics Limited Edition - Full set

Omega Seamaster 300M Tokyo Olympics Limited Edition - Full set

The official watch used to keep time for the 2020 Tokyo Olympics, featuring a 42mm case with an electric blue bezel and white waved dial.

  • Condition: great pre-owned condition with very little signs of wear
  • Case size: 42mm
  • Bracelet type: sleek bracelet
Posted at
Apr 13, 2026, 7:48 PM
Active
[WTS] Omega Seamaster 300 James Bond No Time To Die NTTD 210.90.42.20.01.001 ( new / 2025 / box and papers )

Omega Seamaster 300 James Bond No Time To Die NTTD 210.90.42.20.01.001 ( new / 2025 / box and papers )

A limited edition Omega Seamaster 300 James Bond No Time To Die watch with a 42mm titanium case, available for sale complete with all original boxes and papers.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Material: titanium
Posted at
Apr 13, 2026, 1:28 PM
Active
[WTS] Omega Seamaster 300M James Bond 60th Anniversary 210.30.42.20.03.002 ( new / 2025 / box and papers )

Omega Seamaster 300M James Bond 60th Anniversary 210.30.42.20.03.002 ( new / 2025 / box and papers )

This Omega Seamaster 300M is a James Bond 60th Anniversary edition, coming in a stainless steel case with the Calibre 8806.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Water resistance: 300m
Posted at
Apr 13, 2026, 1:24 PM
Active
[WTS] 1968 Omega Seamaster 300 166.024 Restored (WatchCo Style)

1968 Omega Seamaster 300 166.024 Restored (WatchCo Style)

Omega - 166.024 · $6,950
A 1968 Omega Seamaster 300 Ref. 166.024 that has been restored to its original glory, featuring a striking resemblance to the Watchco Seamaster but with a better pedigree.

  • Condition: Restored
  • Bracelet: 1116 (predecessor to modern Speedmaster bracelet)
  • Water Resistance: Not water resistant
Posted at
Apr 12, 2026, 10:31 PM
Active
[WTS] Omega Seamaster 300M Blue No Wave 212.30.41.20.03.001 (2017) Full Set

Omega Seamaster 300M Blue No Wave 212.30.41.20.03.001 (2017) Full Set

This is a clean and modern take on the classic Omega Seamaster Diver 300M, featuring a no-wave blue dial and aluminum bezel. It's a great everyday diver with strong wrist presence and proven reliability.

  • Condition: Good preowned condition with minor signs of use throughout
  • Case size: 41mm diameter
  • Movement: Automatic
  • Dial: Blue (no wave)
Posted at
Apr 12, 2026, 9:38 PM
Active
[WTS] Omega Seamaster 300m. Box, Cards. 210.30.42.20.06.001

Omega Seamaster 300m. Box, Cards. 210.30.42.20.06.001

A Omega Seamaster 300m with box and cards is being sold.

  • Box: yes
  • Cards: yes
Posted at
Apr 11, 2026, 11:03 AM
Active
[WTS] Omega Seamaster 300M Two-Tone White Wave – Full Size Automatic (Rare Config) – $3,200

Omega Seamaster 300M Two-Tone White Wave – Full Size Automatic (Rare Config) – $3,200

This Omega Seamaster 300M features a full-size ~41mm case, white wave dial, and two-tone steel + yellow gold. It is an early 90s model, running well and in great condition.

  • Condition: Running well, with light wear consistent with age
  • Case size: ~41mm
  • Movement: cal. 1109 Automatic
Posted at
Apr 10, 2026, 9:37 PM
Active