Back
Tudor Black Bay M79540-0004 - Blue Dial Used (Very good) Men's watch/Unisex Buy in Switzerland
In Stock
Original box, original papers

Tudor Black Bay M79540-0004

Reference
M79540-0004
Case diameter
41 mm
Dial
Blue
Case material
Steel
Condition
Used (Very good)
Bracelet color
Steel
USD 4,080 USD 4,250 -4%
Free insured shipping to · delivery November 9 – November 10
Visa Mastercard Apple Pay Google Pay Bank transfer
14-day return · Warranty included · Insured shipping
Contact via WhatsApp Personal assistance with your purchase

Tudor Black Bay M79540-0004 Features

Reference number
M79540-0004
Brand
Tudor
Gender
Men's watch/Unisex
Movement
Automatic
Availability
Item needs to be procured
Case material
Steel
Bracelet material
Steel
Scope of delivery
Original box, original papers
Dial
Blue
Clasp
Fold clasp
Crystal
Sapphire crystal
Bezel material
Steel
Bracelet color
Steel
Clasp material
Steel
Condition
Used (Very good)
Model
Black Bay
Collection
Black Bay
Case diameter
41 mm
Year of production
2022
Dial numerals
Lines
Thickness
11.0 mm
Bracelet length
205 mm
Caliber/movement
T600

Tudor Black Bay M79540-0004 Description

On this Tudor Black Bay M79540-0004, the case is Steel, the dial is Blue and the bracelet is Steel. The case measures 41 mm across. The bezel is made of Steel.

The dial numerals are listed as "Lines". The dial is protected by Sapphire crystal. The watch is powered by the Automatic movement.

The bracelet comes in Steel. It is secured by the Fold clasp. The clasp is made of Steel. The watch dates from 2022.

Condition and set

The reference number M79540-0004 separates this version from other variants of the model, down to dial, bezel and bracelet details, so match it against the photos before you buy.

Authenticity and service

Every watch sold by WATCHOYSTER is inspected and authenticated by our certified watchmaker and verified against The Watch Register before it reaches you. Each piece comes with our warranty and a 14-day return policy. Interested in the Tudor Black Bay M79540-0004? Write to us on WhatsApp, and we will send additional photos and delivery details.

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

Once your returned watch has been received and inspected, approved refunds are processed within 7–10 business days, using the original payment method whenever possible.

Tudor Black Bay M79540-0004
Security & Warranty
Authenticity
Flexible payment options
Insured shipping

Before You Buy Tudor Black Bay M79540-0004

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

Yes. Before shipment, our certified watchmaker thoroughly inspects this Tudor Black Bay (Ref. M79540-0004). The inspection covers movement accuracy, the integrity of its Steel case (41 mm), the condition of its Blue dial, and overall authenticity. The serial number is also checked against The Watch Register.

This timepiece comes with 24 months of WATCHOYSTER Official Brand Service Coverage, with eligible repairs carried out at authorised brand service centres at our expense. Our 14-day return policy also applies if the watch does not match its description or photographs.

Flexible financing is available for selected watches to eligible customers residing in Switzerland. Currently, financing is offered for watches priced up to CHF 10,000.

Eligible models are clearly marked with a financing badge on the product page.

Interest rates, repayment periods and approval conditions depend on the financing provider. Full details are presented during the application process at checkout.

WATCHOYSTER is a professional luxury watch dealer based in Geneva, Switzerland. Due to our secure storage and logistics arrangements, we do not offer in-person viewings before purchase.

However, we are happy to provide additional photographs, detailed videos, and personal assistance to help you make a confident decision.

Clients are welcome to collect their watches in person at our Geneva office by appointment after purchase.

This Tudor Black Bay M79540-0004 is carefully inspected and verified before shipment, then dispatched fully insured from our Geneva facility. Delivery typically takes 4–7 business days, depending on the watch and destination. Estimated delivery dates specific to this timepiece are clearly displayed on its product page. Tracking information is provided once the watch has been dispatched. Included with this timepiece: Original box, original papers.

This Tudor Black Bay is listed in Used (Very good) condition. Before shipment, our certified watchmaker carefully inspects the case, dial, bezel, crystal, and bracelet to verify its condition and ensure it matches the description. Real photographs on this page show the actual watch. Included with this timepiece: Original box, original papers. A WatchCertificate digital passport is available on request, providing independent documentation of the watch’s authenticity, condition, and available service history.

Customer Reviews

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

  • 5.0
    Matteo C.
    CH · 17.05.2025
    Verified
    Article
    5.0
    Average
    5.0
    Delivery
    5.0
    Communication
    5.0
  • 5.0
    Robert Z.
    AT · 23.05.2025
    Verified

    Excellent dealer who replies to emails within two hours—it could not be better. The watch was as shown in the pictures; the dealer can only be recommended.

    Article
    5.0
    Average
    5.0
    Delivery
    5.0
    Communication
    5.0
  • 5.0
    Bruno
    CH · 02.10.2025
    Verified

    everything perfect

    Article
    5.0
    Average
    5.0
    Delivery
    5.0
    Communication
    5.0
  • 5.0
    Glenn T.
    US · 08.07.2026
    Verified

    My transaction with Watchoyster was perfect in every way. Questions were answered promptly and completely. They are professionals and it shows. I would do business with them again without hesitation.

    Article
    5.0
    Average
    5.0
    Delivery
    5.0
    Communication
    5.0
  • 5.0
    Marcelo R.
    PT · 01.06.2026
    Verified

    The price was not the best, but the watch was absolutely amazing. The seller was very professional and shipping within Europe worked well. I recommend the seller, provided you can negotiate better than I did.

    Article
    5.0
    Average
    5.0
    Delivery
    5.0
    Communication
    5.0
  • 5.0
    Damian B.
    CH · 09.04.2026
    Verified

    Very good and clear communication. The watch matches the pictures exactly and is in perfect condition. Highly recommended!

    Article
    5.0
    Average
    5.0
    Delivery
    5.0
    Communication
    5.0
  • 5.0
    Filip l.
    DK · 18.06.2026
    Verified
    Article
    5.0
    Average
    5.0
    Delivery
    5.0
    Communication
    5.0
  • 5.0
    Urs B.
    CH · 27.05.2026
    Verified

    Everything was perfect.

    Article
    5.0
    Average
    5.0
    Delivery
    5.0
    Communication
    5.0
  • 5.0
    Marcel S.
    PT · 13.04.2025
    Verified
    Average
    5.0
    Communication
    5.0
  • 5.0
    JK
    AE · 04.10.2024
    Verified

    Beautiful watch, thank you!

    Article
    5.0
    Average
    5.0
    Delivery
    5.0
    Communication
    5.0

Similar Watches

Products in this list are selected by similar characteristics and approximate price.

Tudor Black Bay M79000N-0002

Tudor Black Bay M79000N-0002

USD 4,610
USD 4,800
Free shipping
In Stock
Pre Owned
Tudor Black Bay M79830RB-0001

Tudor Black Bay M79830RB-0001

USD 5,070
USD 5,280
Free shipping
In Stock
Pre Owned
Tudor Black Bay M79640-0003

Tudor Black Bay M79640-0003

USD 4,470
USD 4,650
Free shipping
In Stock
Pre Owned
Tudor Black Bay M79830RB-0010

Tudor Black Bay M79830RB-0010

USD 5,130
USD 5,340
Free shipping
In Stock
Pre Owned
Tudor Black Bay M79600-0005

Tudor Black Bay M79600-0005

USD 4,740
USD 4,940
Free shipping
In Stock
Pre Owned
Tudor Black Bay M79830RB-0001

Tudor Black Bay M79830RB-0001

USD 4,900
USD 5,100
Free shipping
In Stock
Pre Owned
Tudor Black Bay M79830RB-0001

Tudor Black Bay M79830RB-0001

USD 4,680
USD 4,880
Free shipping
In Stock
Pre Owned
Tudor Black Bay 7941A1A0RU

Tudor Black Bay 7941A1A0RU

USD 5,160
Free shipping
Available
Pre Owned
Tudor Black Bay M79350-0004

Tudor Black Bay M79350-0004

USD 4,360
USD 4,550
Free shipping
In Stock
Pre Owned

Any other questions? Write to us right now!

We will respond quickly in any convenient messenger.:

Write to WhatsApp