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

Reference 210.30.42.20.06.001

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

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a stunning piece of horological craftsmanship that resonates with both watch enthusiasts and casual wearers alike. With its striking grey dial and robust construction, this model blends elegance with functionality. The design of the Seamaster Diver 300M is a perfect marriage of style and utility, featuring a 42 mm round case made from high-quality stainless steel and a ceramic bezel with a rotating 0-60 dive scale. At the core lies the Omega Caliber 8800, a self-winding movement certified as a Master Chronometer, guaranteed to provide precision and performance. With its impressive water resistance of up to 300 meters and Co-Axial escapement reducing friction between moving parts, this watch is built to last. It's an experience on your wrist that combines functionality with aesthetic appeal.
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MSRP: $5,900
Market Price: $3,814

Key Features

  • 42mm round case made from stainless steel
  • Ceramic bezel with rotating 0-60 dive scale
  • Omega Caliber 8800 self-winding movement
  • Master Chronometer certification
  • 300m water resistance
  • Co-Axial escapement reducing friction between moving parts
  • Sapphire crystal glass scratch-resistant

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Grey / Bracelet
Reference
210.30.42.20.06.001
Movement
8800
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
42mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Omega Seamaster Diver 300M Grey Dial 42mm Automatic Full Set 2025 Factory Warranty

Omega Seamaster Diver 300M Grey Dial 42mm Automatic Full Set 2025 Factory Warranty

Omega - 210.30.42.20.06.001 · $6,095
This Omega Seamaster Diver 300M is a pre-owned watch in very good condition, featuring a grey dial on a stainless steel bracelet and automatic co-axial movement.

  • Condition: Very good condition
  • Case size: 42mm diameter
  • Movement type: Automatic Co-Axial
Posted at
May 25, 2026, 10:14 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

Omega - 210.30.42.20.06.001 · $4,199
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] Omega Seamaster Professional 300M 42mm 210.30.42.20.06.001 | 2022 Full Set

Omega Seamaster Professional 300M 42mm 210.30.42.20.06.001 | 2022 Full Set

Omega - 210.30.42.20.06.001 · $4,350
This Omega Seamaster Professional 300M is a 2022 full set, featuring 11.5 links, warranty card, box, manual, card holder, pictogram, master chronometer certification, and travel pouch.

  • Condition: Good Pre-Owned
  • Case Size: 42mm
  • Service History: Unknown
Posted at
May 18, 2026, 9:35 PM
Active
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[WTS] 2023 Omega Seamaster Diver 300M Grey 12/23 Ref# 210.30.42.20.06.001 $4,299.00

2023 Omega Seamaster Diver 300M Grey 12/23 Ref# 210.30.42.20.06.001 $4,299.00

Omega - 210.30.42.20.06.001 · $4,299
2023 Omega Seamaster Diver 300M Grey features a beautiful grey wave dial, automatic movement, and a 42mm size.

  • Condition: Excellent shape with minor hairlines on case, clasp, and bracelet
  • Movement: 8806
  • Water Resistance: 300m
  • Depth Rating: 300m
Posted at
May 15, 2026, 9:27 AM
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Omega Seamaster Diver 300m Chrome Grey 210.30.42.20.06.001 + Straps Warranty

Omega Seamaster Diver 300m Chrome Grey 210.30.42.20.06.001 + Straps Warranty

Omega - 210.30.42.20.06.001 · $3,950
This Omega Seamaster Diver 300m features a stunning PVC Chrome Grey dial, comes in great shape with only light signs of wear, and is delivered as a fully complete 2019 dated set.

  • Condition: near mint condition
  • Diameter: 42mm
  • Depth rating: 300m
  • Warranty: 1 year
Posted at
Feb 20, 2025, 11:35 AM
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[WTS] Omega Seamaster Diver 300M Trio |212.30.41.20.01.003 | 41MM black lacquer dials | All in excellent condition

Omega Seamaster Diver 300M Trio |212.30.41.20.01.003 | 41MM black lacquer dials | All in excellent condition

This listing features three Omega Seamaster Diver 300M watches with 41MM black lacquer dials, all in excellent condition.

Posted at
May 26, 2026, 10:44 PM
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[WTS] Omega Seamaster Diver 300M Co-Axial Master Chronometer — Green Wave Dial | Ref. 210.32.42.20.10.001 | w/ Box & Papers | $4900

Omega Seamaster Diver 300M Co-Axial Master Chronometer — Green Wave Dial | Ref. 210.32.42.20.10.001 | w/ Box & Papers | $4900

Omega - 210.32.42.20.10.001 · $4,900
This listing is for an Omega Seamaster Diver 300M Co-Axial Master Chronometer with a green wave dial.

  • Box and papers included: true
Posted at
May 26, 2026, 9:01 PM
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[WTS] Omega Seamaster Diver 300m. Ref 210.32.42.20.04.001 - 6/2025 Complete Set

Omega Seamaster Diver 300m. Ref 210.32.42.20.04.001 - 6/2025 Complete Set

Omega - 210.32.42.20.04.001 · $4,700
This Omega Seamaster Diver 300M features a stainless steel case, black aluminum bezel and white dial.

  • Condition: Very good pre-owned condition
  • Case size: 42mm diameter
  • Water resistance: 50m
  • Movement type: robust movement
Posted at
May 26, 2026, 12:09 AM
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[WTS] Omega Seamaster Diver 300M Chronograph 210.22.44.51.01.001 Black Dial 44mm Full Set

Omega Seamaster Diver 300M Chronograph 210.22.44.51.01.001 Black Dial 44mm Full Set

Omega - 210.22.44.51.01.001 · $8,495
The Omega Seamaster Diver 300M Chronograph features a stainless steel and Sedna gold case, black wave-pattern dial on a black rubber strap, and an automatic Co-Axial chronograph movement. It comes with original box, warranty papers, and all contents.

  • Condition: very good condition with light signs of normal wear
  • Case size: 44mm diameter
  • Materials: stainless steel & Sedna gold
  • Movement type: automatic Co-Axial chronograph
Posted at
May 25, 2026, 10:16 PM
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