Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Blue / Bracelet
Reference 210.30.42.20.03.001
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.
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

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
Omega Seamaster Diver 300m Chrome Grey 210.30.42.20.06.001 + Straps Warranty
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

Omega 36th America's Cup Seamaster Diver 300m Chronograph 210.30.44.51.03.002
The Omega Seamaster Diver 300M Chronograph is a 44 mm stainless steel watch with blue ceramic bezel, white enamel diving scale, and laser-engraved waves on the blue ceramic dial.
- Condition: UNPOLISHED with minimal wear
- Case material: stainless steel
- Bracelet type: metal bracelet with Quick Change system
- Strap included: rubber strap
Omega Seamaster Diver 300m Summer Blue 210.30.42.20.03.003
This Omega Seamaster Diver 300m features a Summer Blue Dial and comes in great shape, showing only minor hairlines.
- Condition: mint condition
- Depth rating: 300m
OMEGA Seamaster Diver 300M Complete Set Mint Condition 41mm 212.30.42.50.01.001
Omega Seamaster Diver 300M comes as a complete set, including original wood box, warranty card, leather holder, instruction booklet, and all links. The movement runs well within COSC standards as tested on a timegrapher.
- Condition: Excellent preowned condition with subtle signs of wear
- Case size: 41mm
- Depth rating: 300m