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Buy Omega Seamaster Diver 300 M 210.90.42.20.01.001 | 42 mm, Used (Very good) in Switzerland
In Stock
Original box, original papers

Omega Seamaster Diver 300 M

Reference number
210.90.42.20.01.001
Case diameter
42 mm
Dial
Brown
Case material
Titanium
Condition
Used (Very good)
Bracelet color
Steel
USD 11,790
Free insured shipping to within 5 days
Contact via WhatsApp

Omega Seamaster Diver 300 M Features

Dial
Brown
Clasp
Fold clasp
Model
Seamaster Diver 300 M
Gender
Men's watch/Unisex
Crystal
Sapphire crystal
Movement
Automatic
Condition
Used (Very good)
Thickness
130 mm
Availability
Item needs to be procured
Case diameter
42 mm
Case material
Titanium
Dial numerals
Lines
Bezel material
Aluminum
Bracelet color
Steel
Clasp material
Titanium
Number of jewels
35
Reference number
210.90.42.20.01.001
Water resistance
30 ATM
Bracelet material
Titanium
Scope of delivery
Original box, original papers
Year of production
2021
Dealer product code
LB070826.738889
Lug width
20 mm
Bracelet length
210 mm
Frequency
25200 A/h
Caliber/movement
8806
Power reserve
55 h
Collection
Seamaster

Product Description

This Used (Very good) Omega Seamaster Diver 300 M 210.90.42.20.01.001 features a 42 mm Titanium case with a Brown dial, powered by an Automatic movement.

Produced in 2021, this piece comes with Original box, original papers and is fitted with a Titanium bracelet secured by a Fold clasp. The case offers 30 ATM water resistance and is protected by a Sapphire crystal.

Every watch sold by WATCHOYSTER is physically inspected and authenticated in-house by our certified watchmaker before listing, verified against The Watch Register, and backed by our warranty and 14-day return policy. This Seamaster Diver 300 M ships fully insured from our Geneva facility.

Looking to buy a pre-owned Omega Seamaster Diver 300 M in Used (Very good) condition? This 210.90.42.20.01.001 is available now — contact us via WhatsApp for more photos or questions before you buy.

Watch Certificate™

Watch Certificate™

For maximum security and transparency, a Watch Certificate™ can be provided upon request. This independent document confirms the authenticity of the timepiece and protects you from counterfeit or altered watches.

International Certification

International Certification

We cooperate with the global organization The Watch Register®. Upon request, every watch - whether new or pre-owned — can be supplied with an official certificate from this international authority.

Insured delivery

Insured delivery

All orders are shipped with full insurance, ensuring that both domestic and international shipments are safe and worry-free.

14-day return policy

14-day return policy

You may return the watch within 14 days if it differs from the description or photos, or if there is a defect not mentioned.

Inspected by Certified Watchmaker

Inspected by Certified Watchmaker

All our timepieces are thoroughly inspected by our certified watchmaker to ensure authenticity and perfect working condition. Every watch we offer is guaranteed to be 100% original.

Personal collection

Personal collection

When preferred, collect your watch from our private showroom in Geneva. A secure and discreet handover, designed for your comfort and peace of mind.

How Returns Work

Contact Us

1. Contact Us

Contact us Inform us about the return by writing via WhatsApp — it’s the fastest and easiest way.

Secure Return

2. Secure Return

Secure return We will provide you with an insured shipping label so you can safely return your watch.

Money Back

3. Money Back

Money back As soon as we receive the watch, you will get a bank transfer refund without delay.

Omega Seamaster Diver 300 M
Security & Warranty

Before You Buy

Omega Seamaster Diver 300 M

Authenticity
Flexible payment options
Insured shipping

Before You Buy

Key details about authentication, financing, viewing, delivery, and condition.

Yes. This Seamaster Diver 300 M 210.90.42.20.01.001 has been physically inspected in-house by our certified watchmaker, covering movement accuracy, case integrity of the 42 mm Titanium case, Brown dial condition, and overall authenticity. Every serial number is verified against The Watch Register before listing. This piece carries our 12-month warranty and is covered by our 14-day return policy if it does not correspond to its description.

0% financing is available only for selected watches priced up to CHF 10,000. Eligible models are clearly marked with a financing badge on the product page.

If a watch does not display the financing badge, or its price exceeds CHF 10,000, interest-free financing is not available for that model.

For eligible watches, financing is available to clients residing in Switzerland, with terms from 3 to 24 months. Approval is typically completed within a few minutes during checkout by HeyLight partner bank.

Can I view the watch in person before buying?

As we are based in the secure Geneva Free Zone, we generally do not offer pre-purchase viewings and operate primarily as an online retailer due to security and insurance requirements.

A limited number of watches are available for in-person inspection by appointment at our office. Availability depends on the specific model. Some watches can be viewed before purchase, while others are available for collection only after payment.

Please contact us via WhatsApp with the watch details, and we will confirm whether the model is available for viewing or collection only.

This Seamaster Diver 300 M 210.90.42.20.01.001 ships fully insured from our Geneva facility. Standard delivery across Switzerland takes 4 to 5 business days. International shipments to 50+ countries typically arrive within 7 business days. You receive tracking information at the point of dispatch. Original box, original papers is included with this piece.

This Seamaster Diver 300 M is listed in Used (Very good) condition, assessed across case, dial, bezel, crystal, and bracelet by our in-house certified watchmaker before listing. Real photographs on this page reflect the actual state of the watch. Original box, original papers is included. A Watch Certificate digital passport is available on request for independent verification of the watch's details and service history.

Customer Reviews

Real impressions from clients who worked with our team and received their watches.

  • AB
    Arthur B.
    CH · 23.06.2025
    Verified
    5.0

    Hello. A great deal of patience. The fastest responder on the internet. I am still interested in the watch. I hope the purchase will be completed. Regards, A. Büchi

    Average 5.0
    Communication 5.0
  • AH
    Andreas H.
    AT · 19.11.2025
    Verified
    5.0

    Everything was transparent from beginning to end, and the seller made a great effort.

    Article 5.0
    Average 5.0
    Delivery 5.0
    Communication 5.0
  • MH
    Max H.
    UK · 14.10.2024
    Verified
    5.0

    Speedy response to queries and top quality pictures - nothing was too much trouble and the entire interaction was a pleasant experience. This is a top-class dealer

    Article 5.0
    Average 5.0
    Delivery 5.0
    Communication 5.0
  • SC
    Sandro C.
    IT · 28.09.2025
    Verified
    5.0

    Everything was perfect. Courtesy and efficiency! Thank you.

    Article 5.0
    Average 5.0
    Delivery 5.0
    Communication 5.0
  • DS
    Dean S.
    US · 30.12.2024
    Verified
    5.0

    This was a very pleasant transaction. Eduard was very well organized and very professional in every aspect. Great prompt communication, updates and care along the whole process. I purchased half a dozen watches online and this transaction was one of the best I experienced. I would definitely recommend him and I would do business again. Thank you, Dean S

    Article 5.0
    Average 5.0
    Delivery 5.0
    Communication 5.0
  • SK
    Stephen K.
    DE · 07.01.2026
    Verified
    5.0

    We bought a TAG Heuer, and the description fully matched the delivered item. Communication by email was completely smooth, fast, and reliable. Questions were always answered quickly. After payment, shipping was extremely fast and reliable.

    Article 5.0
    Average 5.0
    Delivery 5.0
    Communication 5.0
  • R
    RB
    CH · 12.05.2026
    Verified
    5.0

    A perfect process—exactly as one would hope.

    Article 5.0
    Average 5.0
    Delivery 5.0
    Communication 5.0
  • SS
    Simone S.
    CH · 30.10.2025
    Verified
    5.0

    Everything was handled perfectly. Recommended.

    Article 5.0
    Average 5.0
    Delivery 5.0
    Communication 5.0
  • PE
    Patrick E.
    IT · 17.02.2025
    Verified
    5.0

    Excellent contact—reliable and quick to answer questions.

    Average 5.0
    Communication 5.0
  • MC
    Matt C.
    UK · 22.10.2024
    Verified
    5.0

    great dealer great watch. Bought two.

    Article 5.0
    Average 5.0
    Delivery 5.0
    Communication 5.0

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