[WTS] Omega Seamaster Diver 300M 210.30.42.20.04.001 *Brand New* $5,225

Omega Seamaster Diver 300M 210.30.42.20.04.001 *Brand New* $5,225

The Omega Seamaster Diver 300M features a black ceramic bezel, white enamel diving scale, and polished white ceramic dial with laser-engraved waves and date window at 6 o'clock. It is powered by the OMEGA Master Chronometer Calibre 8800 movement and has a 30-bar water resistance of 300m.

  • Condition: Brand new in box with no issues
  • Case Diameter: 42mm
  • Lug Width: 20mm
  • Water Resistance: 300m depth rating
Posted at
May 22, 2026, 2:00 PM
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[WTS] 2023 Omega Seamaster Diver 300M Grey 12/23 Ref# 210.30.42.20.06.001 $4,199.00

2023 Omega Seamaster Diver 300M Grey 12/23 Ref# 210.30.42.20.06.001 $4,199.00

2023 Omega Seamaster Diver 300M Grey, featuring a beautiful wave dial, blue bezel, and automatic movement. The watch has a size of 42mm and a stainless steel bracelet that fits an 8in wrist.

  • Condition: Excellent shape, a few minor hairlines on case-clasp and bracelet
  • Diameter: 42mm
  • Water resistance: 300M
  • Movement: 8806
Posted at
May 22, 2026, 12:09 PM
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[WTS] 2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

Up for sale is a **Omega Seamaster Diver 300m Green Seaweed** in excellent condition, thoroughly tested and running well.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Contents: watch, inner & outer box, card holder, international warranty card, pictograms card, master chronometer card, instructions manual
Posted at
May 21, 2026, 7:38 PM
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[WTS] Omega Seamaster Diver 300M (Black, 42 mm, steel on steel)

Omega Seamaster Diver 300M (Black, 42 mm, steel on steel)

A Omega Seamaster Diver 300M in black, with a 42mm steel case on a steel bracelet.

  • Condition: Excellent condition
  • Case size: 42 mm
  • Case material: steel
Posted at
May 21, 2026, 9:32 AM
Sold
[WTS] Omega Seamaster Ceramic Sedna Gold 210.62.44.20.01.001

Omega Seamaster Ceramic Sedna Gold 210.62.44.20.01.001

This Omega Seamaster Diver 300M features a unique combination of black ceramic and Sedna gold, with a dial and bezel made from high-tech materials that refuse to age or scratch.

  • Condition: Like new
  • Material: ZrO2 ceramic
  • Gold Type: 18K Sedna Gold
  • Case Size: 44mm diameter
Posted at
May 21, 2026, 8:08 AM
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[WTS] Omega Seamaster Diver 300M -01/26 – Full Kit – $4,425 Shipped

Omega Seamaster Diver 300M -01/26 – Full Kit – $4,425 Shipped

This Omega Seamaster Diver 300M features a white wave dial and comes with a full kit, including inner/outer boxes, cards, manuals, and accessories. The watch is in very good condition with minimal marks on the case and bezel.

  • Condition: Very good pre-owned condition
  • Case size: 40mm diameter
  • Water resistance: 300m
Posted at
May 21, 2026, 12:31 AM
Active
[WTS] Omega Seamaster Diver 300M Ref. 212.30.41.20.03.001 Box & Papers Very Good Condition

Omega Seamaster Diver 300M Ref. 212.30.41.20.03.001 Box & Papers Very Good Condition

This Omega Seamaster Diver features a blue wave dial and ceramic bezel with an iconic design.

  • Condition: Very good condition overall
  • Box Papers: Yes, includes original inner box, warranty card, manual, pictograms card, and full links
  • Movement: Co-Axial automatic
Posted at
May 20, 2026, 11:10 PM
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[WTS] Omega Seamaster Diver 300M 42mm Black Wave Dial-$3400

Omega Seamaster Diver 300M 42mm Black Wave Dial-$3400

A 2021 Omega Seamaster Diver 300M Professional with a black ceramic dial configuration on a stainless steel bracelet.

  • Condition: Excellent overall condition
  • Case size: 42mm diameter
  • Water resistance: 300m depth rating
Posted at
May 20, 2026, 6:37 PM
Active
[WTS] 2026 Omega Seamaster Diver 300M Summer Blue 1/26 Ref# 210.32.42.20.03.002 $4,999.00

2026 Omega Seamaster Diver 300M Summer Blue 1/26 Ref# 210.32.42.20.03.002 $4,999.00

A 2026 Omega Seamaster Diver 300M Summer Blue with a gradient blue wave dial and bezel, automatic movement and 300m water resistance.

  • Condition: Excellent shape with minor hairlines on case and clasp
  • Case diameter: 42mm
  • Water resistance depth rating: 300M
  • Movement type: Automatic
Posted at
May 20, 2026, 3:18 PM
Active