Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 42 No-Date Stainless Steel / Black - Orange / Mesh

Reference 210.30.42.20.01.018

Omega Seamaster Diver 300M Master Co-Axial 42 No-Date Stainless Steel / Black - Orange / Mesh

About this watch

The OMEGA Seamaster Diver 300M 210.30.42.20.01.018 debuted in 2025. This model is part of the updated Diver 300M generation, featuring a black aluminium dial with orange accents, including the central seconds hand, quarter-hour indexes, and Seamaster logo. The oxalic anodised aluminium bezel ring includes a diving scale in white Super-LumiNova, complementing the dial’s rhodium-plated skeletonised hands and indexes, also filled with white Super-LumiNova. The 42 mm stainless steel case is equipped with a domed sapphire crystal, helium escape valve at 10 o’clock, and transparent case back. It houses the Co-Axial Master Chronometer calibre 8806, certified by METAS for precision, magnetic resistance, and overall performance. This version is fitted with a stainless steel mesh bracelet and folding clasp. A second version with orange rubber strap is also available.
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Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 42 No-Date Stainless Steel / Black - Orange / Mesh
Reference
210.30.42.20.01.018
Movement
8806
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[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

Omega - 210.30.42.20.10.001 · $5,395
This Omega Seamaster Diver 300M is a 2024 model featuring a Green Seaweed design. It's in excellent condition and thoroughly tested on a timegrapher.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Box Contents: Watch,Inner & Outer Box,Card Holder,International Warranty Card,Pictograms Card,Master Chronometer Card,Instructions Manual
  • Shipping Insurance: fully insured
Posted at
May 7, 2026, 11:53 AM
Active
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[WTS][US] Omega Seamaster Diver 300m - Blue Dial - 41mm - 212.30.41.20.03.001 - Full Set

[US] Omega Seamaster Diver 300m - Blue Dial - 41mm - 212.30.41.20.03.001 - Full Set

Omega - 212.30.41.20.03.001 · $3,550
Up for sale is an Omega Seamaster Diver 300m - Blue Dial - 41mm - Full Set Watch functions perfectly mechanically, without issue.

  • Condition: Fantastic with minor hairlines
  • Case size: 41mm diameter
  • Water resistance: 300m depth rating
Posted at
May 6, 2026, 3:48 PM
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[WTS] Omega Seamaster Diver 300M Black Ceramic & Sedna Gold 210.62.44.20.01.001

Omega Seamaster Diver 300M Black Ceramic & Sedna Gold 210.62.44.20.01.001

Omega - 210.62.44.20.01.001
  • Material: Ceramic and Sedna Gold
Posted at
May 6, 2026, 1:47 PM
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[WTS] OMEGA Seamaster Diver 300M Chronograph Grey Dial 210.30.44.51.06.001

OMEGA Seamaster Diver 300M Chronograph Grey Dial 210.30.44.51.06.001

OMEGA - 210.30.44.51.06.001 · $6,295
The Omega Seamaster Diver 300M Chronograph features a 44mm stainless steel case and combines the classic 300M dive-watch design with a Master Chronometer chronograph movement.

  • Condition: Excellent pre-owned condition
  • Case size: 44mm
  • Movement rating: Master Chronometer
Posted at
May 5, 2026, 8:37 PM
Active
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[WTS] Omega Seamaster Diver 300M 42mm 210.32.42.20.01.001 | No Box/Papers | Verified Authentic | $3,900

Omega Seamaster Diver 300M 42mm 210.32.42.20.01.001 | No Box/Papers | Verified Authentic | $3,900

Omega - 210.32.42.20.01.001 · $3,900
This Omega Seamaster Diver 300M features a 42mm stainless steel case, black wave dial, and black ceramic bezel.

  • Condition: Excellent overall
  • Case size: 42mm diameter
  • Dial color: Black
  • Bezel material: Ceramic
Posted at
May 5, 2026, 3:19 PM
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[WTS] Omega Seamaster Diver 300m Black Dial Steel No Wave Reference 212.30.41.20.01.003 Box and Card dated 2018

Omega Seamaster Diver 300m Black Dial Steel No Wave Reference 212.30.41.20.01.003 Box and Card dated 2018

Omega - 212.30.41.20.01.003 · $3,377
This Omega Seamaster Diver features a black no wave dial and is in excellent condition with minimal signs of wear.

  • Condition: Excellent, minimal signs of wear
  • Case size: 41mm
  • Depth rating: 300m
Posted at
May 5, 2026, 2:18 PM
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[WTS] Omega Seamaster Diver 300M "No Time To Die" (NTTD) 007 Edition - 210.92.42.20.01.001 - Excellent Condition

Omega Seamaster Diver 300M "No Time To Die" (NTTD) 007 Edition - 210.92.42.20.01.001 - Excellent Condition

Omega - 210.92.42.20.01.001 · $42,000
This listing is for an Omega Seamaster Diver 300M 'No Time To Die' (NTTD) 007 Edition, a limited edition watch.

  • Condition: Excellent Condition
  • Album: https://imgur.com/a/Ngf92ot
Posted at
May 5, 2026, 1:35 PM
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[WTS] OMEGA Seamaster Diver 300M Nekton Edition - Full Set - 210.30.42.20.01.002

OMEGA Seamaster Diver 300M Nekton Edition - Full Set - 210.30.42.20.01.002

OMEGA - 210.30.42.20.01.002 · $4,750
This stylish timepiece features a sleek silver case with a unidirectional rotating bezel, a black dial with ocean wave pattern and baton indexes, and a water resistance of 300 meters.

  • Condition: great, minimal signs of wear
  • Case size: 42mm diameter
  • Movement type: Swiss-made mechanical (automatic)
  • Water resistance: 300m depth rating
Posted at
May 4, 2026, 6:41 PM
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[WTS] Omega Seamaster Diver 300M White Dial 2023

Omega Seamaster Diver 300M White Dial 2023

Omega - 210.30.42.20.04.001 · $4,500
This is a 2023 Omega Seamaster Diver 300M with a white dial on a bracelet, featuring a 7.5" wrist size and an Omega micro-adjust clasp for comfort.

  • Condition: Excellent condition
  • Bracelet size: ~7.5" wrist (missing 2 links)
  • Clasp type: Omega micro-adjust
Posted at
May 4, 2026, 5:10 PM
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