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Exhibition Case Back for Pelagos


Give your Tudor a new view

A small initial run of sapphire exhibition case backs for the original Black Bay 58, created to see if this is something Tudor enthusiasts actually want from Steel Reef before we explore expanding the range further.

Tested and rated to 200m water resistance, matching the original case back specification.

If you’d like to see exhibition case backs developed for other Tudor models, you can register your interest below.

Technical Specifications

  • Sapphire crystal exhibition window
  • Precision-machined stainless steel construction
  • Tested and rated to 200m water resistance
  • Designed to match the fit and profile of the original Tudor case back

Note: Steel Reef is not affiliated with Tudor or any other watch brand.


Give your Tudor a new view

A small initial run of sapphire exhibition case backs for the original Black Bay 58, created to see if this is something Tudor enthusiasts actually want from Steel Reef before we explore expanding the range further.

Tested and rated to 200m water resistance, matching the original case back specification.

If you’d like to see exhibition case backs developed for other Tudor models, you can register your interest below.

Technical Specifications

  • Sapphire crystal exhibition window
  • Precision-machined stainless steel construction
  • Tested and rated to 200m water resistance
  • Designed to match the fit and profile of the original Tudor case back

Note: Steel Reef is not affiliated with Tudor or any other watch brand.


Give your Tudor a new view

A small initial run of sapphire exhibition case backs for the original Black Bay 58, created to see if this is something Tudor enthusiasts actually want from Steel Reef before we explore expanding the range further.

Tested and rated to 200m water resistance, matching the original case back specification.

If you’d like to see exhibition case backs developed for other Tudor models, you can register your interest below.

Technical Specifications

  • Sapphire crystal exhibition window
  • Precision-machined stainless steel construction
  • Tested and rated to 200m water resistance
  • Designed to match the fit and profile of the original Tudor case back

Note: Steel Reef is not affiliated with Tudor or any other watch brand.


Give your Tudor a new view

A small initial run of sapphire exhibition case backs for the original Black Bay 58, created to see if this is something Tudor enthusiasts actually want from Steel Reef before we explore expanding the range further.

Tested and rated to 200m water resistance, matching the original case back specification.

If you’d like to see exhibition case backs developed for other Tudor models, you can register your interest below.

Technical Specifications

  • Sapphire crystal exhibition window
  • Precision-machined stainless steel construction
  • Tested and rated to 200m water resistance
  • Designed to match the fit and profile of the original Tudor case back

Note: Steel Reef is not affiliated with Tudor or any other watch brand.

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Testimonial 1

Installs exactly like a factory link - no modification, no damage, fully reversible.

Done in under two minutes with a 1.6 mm flat-blade screwdriver.

We don’t make “universal” links. Every Steel Reef component is individually designed for a specific reference and cut from the same grade of steel your watch is made from.

Machined to ±0.02 mm, our links match OEM-inspired tolerances and finish so precisely that they disappear into your bracelet - the only difference is the improved comfort and balance.

This level of precision takes time, expertise, and cost to achieve, which is exactly why serious collectors choose Steel Reef.

Every Steel Reef component is precisely engineered and thoroughly inspected.

In the rare event of a manufacturing fault or a genuine fit issue, we’ll take care of it with a replacement.

We are not affiliated, associated, endorsed by, or in any way officially connected with any watch brands.

Our parts are aftermarket accessories, designed with quality and precision.

Click here to contact us.

‘GAME CHANGER FOR ROLEX, OMEGA, TUDOR...’

See 'On The Fly' in action and learn about the installation process, courtesy of Adrian Barker

WHY 'ON THE FLY'?

Most watches force you to live with a fit that’s never quite right. Hot days, long days, “bad wrist days” - you just put up with it.

'On The Fly' changes that. This OEM-inspired upgrade adds tool-free, instant adjustability so you can perfect your fit anytime, anywhere - without losing an ounce of durability or elegance.

THE ONLY DIFFERENCE YOU’LL NOTICE IS THE EXTRA COMFORT

Precision-engineered and crafted from aerospace-grade 904L and 316L stainless steel, 'On The Fly' matches - and often exceeds - the material quality, finish, and tolerances of the world’s most prestigious watch brands.

Genuine voices - Honest experience

WHAT OUR CUSTOMERS SAY

5/5

Fits & feels OEM - I don’t even notice it’s there. Honestly, you can’t tell it’s aftermarket.

Darryl W. Austin, USA
5/5

It takes a second to adjust and makes wearing my watch all day so much more comfortable. It’s subtle, solid, and looks completely factory.

Mark K. London, UK
5/5

Material, machining, click-action all spot on to OEM levels. The investment has been worth it.

Matteo T. Zurich, Switzerland
5/5

Got the extension link for my Submariner and fitted it in under 5 minutes. The click-in adjustment gives me exactly what I was missing

Alex G. Singapore

Designed. Tested. Trusted.

5,000+ Customers worldwide

5,000+ Customers worldwide

Trusted by collectors across every continent. Owners who value authenticity choose Steel Reef. Proven upgrades, worn daily on thousands of wrists.

PRECISION MANUFACTURING

PRECISION MANUFACTURING

Cut, finished, and tolerance-tested. Every edge, curve, and click meets our rigorous spec. Precision isn’t a claim - it’s our process.

WORLDWIDE SHIPPING

WORLDWIDE SHIPPING

Secure, insured delivery to your door. No compromises, no uncertainty, wherever you are. Engineered upgrades, shipped with confidence worldwide.

COMMUNITY LED RESEARCH

COMMUNITY LED RESEARCH

We build what collectors ask for. Your insights shape our engineering roadmap. Every release solves a real wrist-level challenge.

FREQUENTLY ASKED QUESTIONS

We offer free economy shipping and paid express options to almost every country worldwide.

  • UK Orders: Delivered within 2 working days.

  • International Orders: Typically delivered within 5–7 working days. Delivery times may vary slightly based on your location and local customs.

If a product is out of stock or yet to be launched, you’ll often see an option to pre-order or register your interest directly on the product page.

Pre-orders guarantee your unit in the next production run, while registering your interest ensures you’ll be notified as soon as it becomes available.

We want every customer to feel confident in their purchase, so we accept returns when appropriate. To keep things fair and transparent, here’s how our process works.

  • Return Eligibility: Returns are only accepted within 7 days of delivery and only for items that are unopened, unused, and in their original condition. Once a product has been opened, installed, or handled beyond the external packaging, it is considered used and no longer eligible for return unless it is faulty. This follows the same principle as a luxury watch: once seals or protective films are removed, the item is no longer classed as new. If you’re unsure whether your order qualifies, just reach out and we’ll confirm.

  • Return Shipping Costs: If a return is approved, return shipping is the responsibility of the customer. Original shipping fees are non-refundable.

  • Refunds: Once the item is received and inspected, we’ll issue a refund for the product price (minus any shipping/import costs).

  • Defective Items: If you receive a defective or incorrect item - rare, but possible - we’ll cover all return shipping costs and resolve it quickly with a replacement or refund.

  • How to Start a Return: Contact us with your order number and the reason for your request. Our team will review your case and provide the next steps.

We aim to keep the process clear, consistent, and straightforward. If you need help or have any questions, our support team is here to assist.

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