Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Blue / Bracelet

Reference 210.30.42.20.03.001

Omega Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Blue / Bracelet

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a masterpiece of watchmaking, boasting a robust 42mm stainless steel case, blue ceramic bezel with rotating 0-60 scale, and stunning blue dial with wave pattern. Protected by sapphire crystal, this timepiece showcases the intricate Omega caliber 8800 movement, featuring Co-Axial escapement and Master Chronometer certification for exceptional accuracy and resilience against magnetic fields up to 15,000 gauss.
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MSRP: $5,900
Market Price: $3,806

Key Features

  • 42mm stainless steel case
  • Blue ceramic bezel with rotating 0-60 scale
  • Stunning blue dial with wave pattern
  • Sapphire crystal protection
  • Omega caliber 8800 movement
  • Co-Axial escapement
  • Master Chronometer certification
  • Water resistance up to 300 meters

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Blue / Bracelet
Reference
210.30.42.20.03.001
Movement
8800
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
42mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Omega Seamaster Professional 300m 42mm 210.30.42.20.03.001 - 2025 Box and Papers

Omega Seamaster Professional 300m 42mm 210.30.42.20.03.001 - 2025 Box and Papers

Omega - 210.30.42.20.03.001 路 $4,350
This Omega Seamaster Professional 300m is a 42mm watch with an AR coating that needs polishing due to scratches.

  • Condition: Pre-Owned, slight wear on bracelet and case
  • Service history: Unknown
  • Accuracy: +2 s/d
  • Amp hours: 285+ AMP
Posted at
Oct 21, 2025, 11:45 PM
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[WTS] 馃殌 Omega Seamaster 300M Blue - $3950

馃殌 Omega Seamaster 300M Blue - $3950

Omega - 210.30.42.20.03.001 路 $3,950
A solid dive watch with Omega's legendary reliability and style, featuring a blue dial and iconic design.

  • Condition: great condition with minor signs of wear
  • Case size: 42mm diameter
  • Depth rating: 300m
Posted at
Oct 15, 2025, 2:06 PM
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Omega Seamaster Professional 300m Diver Blue Dial/Bezel

Omega Seamaster Professional 300m Diver Blue Dial/Bezel

Omega - 210.30.42.20.03.001 路 $4,650
This Omega Seamaster Professional is a 42mm diver's watch with a blue ceramic dial and bezel, featuring an automatic movement with a 55-hour power reserve.

  • Condition: Excellent
  • Case size: 42mm diameter
  • Thickness: 14mm
  • Lug width: 20mm
Posted at
Apr 6, 2025, 8:49 AM
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Omega Seamaster 300M - Blue Dial - 210.30.42.20.03.001 (excellent / complete)

Omega Seamaster 300M - Blue Dial - 210.30.42.20.03.001 (excellent / complete)

Omega - 210.30.42.20.03.001 路 $4,150
This Omega Seamaster 300M features a 42mm stainless steel case with a blue dial and bezel, powered by the Master Co-Axial Movement.

  • Condition: Excellent / Complete Set
  • Case size: 42mm diameter
  • Movement type: Master Co-Axial
Posted at
Mar 25, 2025, 3:13 PM
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Omega Seamaster 300M - Blue Dial - 210.30.42.20.03.001 ( excellent / 2024 )

Omega Seamaster 300M - Blue Dial - 210.30.42.20.03.001 ( excellent / 2024 )

Omega - 210.30.42.20.03.001 路 $4,150
This Omega Seamaster 300 is a Master Chronometer with a 42mm stainless steel case, featuring a blue dial and bezel on a bracelet.

  • Condition: Excellent
  • Movement: 8800 Master Co-Axial Movement
  • Case size: 42mm diameter
  • Shipping options: Fedex Express within the US, International Shipping adds $150
Posted at
Feb 6, 2025, 3:27 PM
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Omega Seamaster 300M Blue 42MM - Ref 210.30.42.20.03.001 (2022 LIKE NEW COMPLETE)

Omega Seamaster 300M Blue 42MM - Ref 210.30.42.20.03.001 (2022 LIKE NEW COMPLETE)

Omega - 210.30.42.20.03.001 路 $3,850
A 42MM Omega Seamaster 300M Blue with all functions working properly and included accessories.

  • Condition: Like new, worn less than a handful of times
  • Box And Papers: Complete box and papers, dated May 2022
  • Included Accessories: Outer sleeve, outer box, inner box, instruction manual, serialized hangtag, dust bag
Posted at
Jan 29, 2025, 4:58 PM
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[WTS] 2025 Omega Seamaster Diver 300m

2025 Omega Seamaster Diver 300m

Omega - 210.30.44.51.06.001 路 $6,200
This is a new and complete Omega Seamaster Diver 300M, still in its original packaging with stickers.

  • Condition: Unworn
  • Msrp: 9600
  • Year: 2025
Posted at
Oct 21, 2025, 11:26 AM
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[WTS] 2025 BNIB Omega Seamaster Diver 300M Black 210.30.42.20.01.001 Full Set

2025 BNIB Omega Seamaster Diver 300M Black 210.30.42.20.01.001 Full Set

Omega - 210.30.42.20.01.001 路 $5,400
2025 Omega Seamaster Diver 300M Black 42mm daily diver with a full set, brand new and dated Sept 2025.

  • Condition: new, unsized, never worn
  • Size: 42mm diameter
  • Year: 2025
Posted at
Oct 17, 2025, 7:57 PM
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[WTS] Omega Seamaster Diver 300M Black Ceramic 2024 Box And Papers 210.92.44.20.01.003

Omega Seamaster Diver 300M Black Ceramic 2024 Box And Papers 210.92.44.20.01.003

Omega - 210.92.44.20.01.003 路 $7,750
The Omega Seamaster Diver 300M Black Ceramic Ref. 210.92.44.20.01.003 is a bold and stealthy take on one of Omega鈥檚 most iconic dive watches, featuring a 43.5mm black ceramic case with a sleek, matte finish.

  • Case material: black ceramic
  • Diameter: 43.5mm
Posted at
Oct 17, 2025, 1:02 PM
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