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
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

MINT Omega SEAMASTER DIVER 300M GREEN WAVE DIAL BRACELET 2025 WARRANTY FULL SET
A 2025 Omega Seamaster Diver 300m in 42mm stainless steel with a green ceramic bezel and wave dial. The watch features an Omega Co-Axial Master Chronometer 8800 automatic movement.
- Condition: Mint, Unpolished Condition
- Movement: Omega Co-Axial Master Chronometer 8800 Automatic
- Case size: 42mm diameter
- Bezel material: Green Ceramic
Omega Seamaster Diver 300M - 210.30.42.20.04.001 - White Wave - 2024 - MINT
A modern Omega Seamaster Diver 300M with a white wave dial, available for inspection or pickup in Southern California.
- Condition: Pre-Owned - Mint
- Case Size: 41mm diameter
- Bracelet Type: Stainless Steel
- Dial: White Wave

2023 Omega Seamaster Diver 300m 43.5mm 210.92.44.20.01.003 Black Ceramic Dial
2023 Omega Seamaster Diver 300m with a black ceramic dial, adjustable black rubber strap, and other included accessories.
- Condition: Excellent overall condition
- Case size: 43.5mm diameter
- Water resistance: 300m depth rating
- Box and papers: Yes

Omega Seamaster Diver 300M 210.30.44.51.01.001
This Omega Seamaster Diver 300M is a high-end diver's watch with a stainless steel case and a date display. It features a black dial with silver hour markers and hands.
- Condition: Excellent condition
- Boxes included: true
- Book included: true
- Warranty card included: true

2023 Omega Seamaster Diver 300M 007 42mm Titanium Brown Dial
A 2023 Omega Seamaster Diver 300M James Bond 007 Edition with a 42mm titanium case and brown dial, featuring a Master Chronometer and various documentation.
- Condition: Excellent overall condition
- Warranty: 5 year manufacturer warranty
- Case size: 42mm diameter
- Band length: 8.5inch wrist (Adjustable Strap)

Omega Seamaster Diver 300M Seaweed Green Ceramic Box Papers 210.30.42.20.10.001
The Omega Seamaster Diver 300M features a Seaweed Green Ceramic wave dial and green ceramic bezel on a 42mm stainless steel bracelet. It's powered by the in-house Co-Axial Caliber 8800 movement, which offers a 55-hour power reserve and 300 meters of water resistance.
- Condition: 96% Near Mint Condition
- Movement: In-House Co-Axial Caliber 8800
- Water Resistance: 300m/1000ft
- Power Reserve: 55 hours

Omega Seamaster Diver 300M 210.30.44.51.01.001
This Omega Seamaster Diver 300M is a high-end diver's watch with excellent condition, accompanied by its original boxes, book, and warranty card.
- Condition: Excellent condition
- Boxes: original
- Book: yes
- Warranty Card: yes

MINT Omega SEAMASTER DIVER 300M STAINLESS STEEL BLACK BEZEL 2025 MODEL FULL SET
A 2025 model Omega Seamaster Diver 300m with a stainless steel case and black aluminum bezel, featuring an Omega Co-Axial Master Chronometer 8806 movement.
- Condition: Mint, unpolished condition
- Case size: 42mm
- Movement: Omega Co-Axial Master Chronometer 8806
- Water resistance: 300m