Seamaster Diver 300M 210.30.42.20.01.001
Diver 300M 210.30.42.20.01.001
The used market price of Omega Seamaster Diver 300M 210.30.42.20.01.001 in Korea is ₩5,670,000–₩8,150,000 (avg ₩6,813,000) based on recent sales. Unworn: ₩8,150,000–₩8,900,000. Based on VIVER sold prices.
42mm, Black
Omega
Omega
Seamaster's new leap forward
The Omega Seamaster collection is a line of sports and diver watches that represents the brand, Born in 1948 to commemorate Omega's 100th anniversary. Since its launch, It has attracted attention as a watch suitable for both everyday life and sports by combining dress watch style with innovative waterproof technology.
In 1957, The first professional diver's watch, The "Seamaster 300", Was introduced, Leading the full-fledged diver's watch market with its 200m water resistance and robust structure.
Since then, The Seamaster has evolved with cutting-edge technologies such as the helium escape valve, Ceramic bezel, And co-axial escapement. From dress watches to professional divers’ watches and modern sports watches, It represents Omega’s innovation and tradition through its various variations.
The Omega Seamaster Diver 300M Ref. 210.30.42.20.01.001 is a model that has established itself as Omega's representative sports diver watch since its renewal in 2018.
The laser-engraved wave pattern and large indexes and hands on the “black” ceramic dial provide excellent readability.
Compared to the previous model, Ref. 212.30.41.20.01.003, The position of the date window has been moved from the 3 o'clock position to the 6 o'clock position, Significantly improving the symmetry of the dial.
Additionally, With the movement changed from Cal. 2500 to Cal. 8800, The power reserve has been further upgraded from 48 hours to 55 hours, Further improving practicality.
While maintaining the identity of the traditional Seamaster Diver 300M, It has achieved technological advancements and modernized design. It is evaluated as a model that provides high satisfaction to actual users and sets a new standard for Omega diver watches.
- Release year
- 2018
- Dial color
- Black
- Dial index
- Dot, Bar
- Dial material
- Ceramics
- Dial decoration
- Wave pattern
- Glass
- Sapphire crystal
- Case material
- Stainless steel
- Caseback
- Transparent case back
- Case diameter
- 42mm
- Case thickness
- 13.6mm
- Bracelet material
- Stainless steel
- Buckle types
- Folding clasp
- Bezel material
- Stainless steel, Ceramic insert
- Bezel types
- Anti-reverse rotation bezel
- Lug width
- 20mm
- Function
- Date
- Waterproof
- 300m
- Weight
- Approximately 194g
- Movement
- Self-winding
- Caliber
- Cal.8800
- Frequency
- 25, 200 vibrations
- Power reserve
- About 55 hours
Current market price (avg): ₩6,120,000 (₩3,750,000 ~ ₩8,900,000)
Official Retail Price vs Average Sold Price by Year| Year | Official retail price | Average sold price |
|---|
| 2026 | ₩9,500,000 | ₩6,692,000 |
| 2025 | ₩8,900,000 | ₩6,076,790 |
| 2024 | ₩8,600,000 | ₩5,698,906 |
| 2023 | ₩7,900,000 | ₩4,904,167 |
| 2022 | ₩7,400,000 | - |
| 2021 | ₩7,000,000 | - |
Official retail price is based on the first price increase of each year.

Seamaster Diver 300M 210.30.42.20.01.001
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Seamaster Diver 300M 210.30.42.20.01.001
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Seamaster Diver 300M 210.30.42.20.01.001
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Purchase Reviews
- I like it because it is actually neater and cleaner than the photos. Thank you for the good transaction. 2026.08.29
- It is great that I can easily purchase a watch thanks to the detailed product information in the app. 2026.07.11
- It's in great condition. I'm also satisfied with the delivery. I bought one as a second watch and I really love it. 2026.06.17
- Since it is an expensive watch, I decided to purchase it from VIVER, A trustworthy platform.
I feel relieved knowing that I can get product authentication.
Thank you for the excellent explanation when I visited the actual showroom to pick up the watch.
I plan to use VIVER again. 2026.05.15
- If the item has not been worn, More detailed product information is required regarding its condition. 2026.04.24
- I'm so happy I was able to purchase a watch that was meticulously inspected and in excellent condition. The showroom staff were also very friendly. Thank you. 2026.03.06
- It was a purchase that I was very satisfied with, With no regrets about the delivery, Packaging, Or even the condition of the watch. 2026.01.18
- I'm very satisfied haha I'll use it well. Thank you. 2026.01.08
- As expected, VIVER is trustworthy.
It's cleaner than the detailed description
thank you 2025.12.17
- I am satisfied with the reasonable price and reliability every time I make a purchase. I recommend it. 2025.11.29
Seller Reviews
- The biggest advantage is that you can conduct a second-hand transaction, Which can be stressful, Smoothly and safely. I didn't expect it to sell this quickly, Nor did I expect the settlement to be handled so cleanly. It's really great. 2026.08.12
- Fast sale, Good price. Thank you always, VIVER. 2026.07.27
- VIVER is really fast and great for transactions~ Thank you always^^ 2026.07.21
- Thank you for the kind service and quick sale. 2026.07.16
- I am very satisfied because I was able to sell quickly at a good price. VIVER for both selling and buying! 2026.07.14
- I always use VIVER. Thank you so much for being so kind. 2026.06.07
- I am very satisfied with the sale through consignment. 2025.12.06
- The transaction process was convenient and the sales commission was reasonable. I highly recommend it. 2025.11.19
- This is my first time using VIVER, And it's so convenient. I can receive bids and make counteroffers when selling. It's so convenient and easy to use! ^^ 2025.09.07
- The sale was completed through a friendly and clean process. 2025.09.06