Omega Seamaster Diver 300m Seamaster Diver 300M Automatic 41.5 Chronograph Stainless Steel / Yellow Gold / Blue / Bracelet

Reference 2398.80.00

About this watch

The Omega Seamaster Diver 300M Automatic 41.5 Chronograph is a statement piece that embodies luxury, functionality, and timeless design. It features a stunning blue dial with a deep oceanic hue, paired with yellow gold and stainless steel accents. The watch has a substantial 41.5 mm round case with a comfortable bracelet that provides a secure fit. At its core lies the Omega Caliber 1164 movement, a reliable automatic movement featuring 25 jewels and a 42-hour power reserve. One of the standout features is its chronograph functionality, making it easy to time laps or measure time for fun. With a water resistance of up to 300 meters, this watch is perfect for divers and adventure seekers. Its versatility allows it to seamlessly transition from casual to formal settings, making it a great addition to any collection.
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Key Features

  • Omega Caliber 1164 automatic movement
  • 41.5 mm round case with stainless steel construction
  • 300m water resistance
  • Chronograph functionality with sub-dials for minutes and seconds
  • Sapphire glass with rotating bezel
  • Proprietary hands and stick/dot indexes
  • Comfortable, adjustable bracelet

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Automatic 41.5 Chronograph Stainless Steel / Yellow Gold / Blue / Bracelet
Reference
2398.80.00
Movement
1164
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph
Case
41.5mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Omega Seamaster Diver 300M 42mm Grey Dial 210.30.42.20.06.001 | Full Set

Omega Seamaster Diver 300M 42mm Grey Dial 210.30.42.20.06.001 | Full Set

This Omega Seamaster Diver 300M is a 42mm grey dial watch with excellent timekeeping and flawless bezel and crystal.

  • Condition: Outstanding condition, minor wear marks on bracelet
  • Movement: Omega 8800
  • Bracelet size range: up to approximately 8.25 inches
  • Movement accuracy: -1 second per day
Posted at
Jan 21, 2026, 11:13 PM
Active
[WTS] OMEGA SEAMASTER DIVER 300M GREEN 'SEAWEED' - 210.32.42.20.10.001 - VERY GOOD - BOX/PAPERS - XTRA NEW AM FORSTNER BRACELET

OMEGA SEAMASTER DIVER 300M GREEN 'SEAWEED' - 210.32.42.20.10.001 - VERY GOOD - BOX/PAPERS - XTRA NEW AM FORSTNER BRACELET

A modern dive icon featuring a rich green ceramic dial and bezel, laser-engraved wave pattern, and OMEGA's legendary Co-Axial performance.

  • Condition: Very Good
  • Case size: 42mm diameter
  • Dial color: green
  • Bezel material: green ceramic
Posted at
Jan 18, 2026, 2:15 PM
Active
[WTS] OMEGA Seamaster Diver 300m - 42mm - Black Dial - Ref 210.32.42.20.01.001 - Full Set

OMEGA Seamaster Diver 300m - 42mm - Black Dial - Ref 210.32.42.20.01.001 - Full Set

This OMEGA Seamaster Diver 300m is a 42mm black dial watch featuring a domed scratch-resistant sapphire crystal and a self-winding movement with a power reserve of 55 hours. The watch has been worn daily for an engineering desk job.

  • Condition: Minor scratches from day-to-day movements, otherwise like new
  • Case Diameter: 42 mm
  • Thickness: 13.56 mm
  • Water Resistance: 300m / 1000 feet
Posted at
Jan 18, 2026, 12:44 PM
Active
[WTS] OMEGA Seamaster Diver 300M 36MM - 212.30.36.20.01.002

OMEGA Seamaster Diver 300M 36MM - 212.30.36.20.01.002

This 36mm OMEGA Seamaster Diver 300M is in excellent used condition with minor signs of wear.

  • Condition: excellent used condition with minor signs of wear
  • Case size: 36mm
  • Water resistance: 300m
Posted at
Jan 17, 2026, 7:44 PM
Active
[WTS] Omega Seamaster Diver 300m 44mm 210.60.44.51.03.001 Blue Dial Titanium 18k Rose Gold MINT CONDITION

Omega Seamaster Diver 300m 44mm 210.60.44.51.03.001 Blue Dial Titanium 18k Rose Gold MINT CONDITION

Omega - 210.60.44.51.03.001 · $14,250
The Omega Seamaster Diver 300m Chronograph features a laser-ablated 18k rose gold bezel paired with a high polish blue ceramic dial and chronograph complications. It has 300 meters of water resistance and is powered by Omegas Co-Axial Master Chronometer Calibre 9900.

  • Condition: Amazing Pre-Owned condition, showing no sings of wear, clean crystal and case.
  • Case size: 44mm
  • Movement type: Automatic (Self Winding)
  • Power reserve: 72hrs
Posted at
Jan 17, 2026, 3:03 PM
Active
[WTS] OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$8250🔥

OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$8250🔥

The OMEGA Seamaster Diver 300M 'Paris 2024' is a luxurious tribute to sporting excellence, featuring a 42mm case with stainless steel and 18K Moonshine Gold. The watch has a white ceramic dial, laser-structured diving scale, and custom typography on the date disc.

  • Condition: UNWORN
  • Case size: 42mm diameter
  • Movement: Calibre 8800 Master Chronometer
  • Depth rating: 300m
Posted at
Jan 16, 2026, 5:46 PM
Active
[WTS] Omega Seamaster Diver 300M 41mm Blue 212.30.41.20.03.001 B&P $3700

Omega Seamaster Diver 300M 41mm Blue 212.30.41.20.03.001 B&P $3700

a Seamaster Diver 300M in blue, measuring 41mm in diameter.

Posted at
Jan 15, 2026, 9:51 PM
Active
[WTS] Omega Seamaster Diver 300M 212.30.41.20.03.001 – Blue No-Wave 41mm– Box & Papers - $3499 Shipped

Omega Seamaster Diver 300M 212.30.41.20.03.001 – Blue No-Wave 41mm– Box & Papers - $3499 Shipped

For sale is a 2018 Omega Seamaster Diver 300M with the blue no-wave dial.

  • Condition: Light wear throughout, no dings on case, caseback, or bezel
  • Case diameter: 41mm
  • Water resistance depth rating: 300m
  • Movement type: Co-Axial Calibre 2500
Posted at
Jan 15, 2026, 12:47 AM
Active