5712 Gem Set + T&Co Stamp [Hybrid]

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A distinctive custom interpretation of the Nautilus 5712, this piece pairs its signature blue horizontally embossed dial with a bezel individually set with deep-blue lab-grown sapphires. The rich colour of the stones complements the dial while adding a refined, jewellery-inspired presence to the iconic sports-watch design.

The asymmetric display retains the model’s recognisable power-reserve indicator, moon-phase complication, date scale and small seconds, completed with custom Tiffany & Co. dial stamping. Finished with a stainless-steel case and integrated bracelet, this build combines the technical character of the 5712 with a bold and elegant custom finish.


Build List

· 5712 CNC Case & Bracelet

(3D-CNC bird’s beak, correct case thickness, flexible end links)

· Ultra Custom-Made Free Sprung Balance Wheel 324 Movement

3D modeling of splints with five-axis CNC carving.

Swiss-style hand-polished finishing lines.

Independently developed free-sprung balance wheel.

Swiss hairspring for stable and accurate timekeeping.

18K Wrapped Gold Rotor

More stable and refined compared to ACE / PPM alternatives.

· CNC Clasp

· CNC Crown

· SW Dial with Custom T&Co Stamping

· SW Hands

· Custom Sapphire Moonphase Disc to Match Gen Specs

· Deep Crystal

· Gen-style repolishing and case smoothing

· Waterproofed, regulated, and tested

A distinctive custom interpretation of the Nautilus 5712, this piece pairs its signature blue horizontally embossed dial with a bezel individually set with deep-blue lab-grown sapphires. The rich colour of the stones complements the dial while adding a refined, jewellery-inspired presence to the iconic sports-watch design.

The asymmetric display retains the model’s recognisable power-reserve indicator, moon-phase complication, date scale and small seconds, completed with custom Tiffany & Co. dial stamping. Finished with a stainless-steel case and integrated bracelet, this build combines the technical character of the 5712 with a bold and elegant custom finish.


Build List

· 5712 CNC Case & Bracelet

(3D-CNC bird’s beak, correct case thickness, flexible end links)

· Ultra Custom-Made Free Sprung Balance Wheel 324 Movement

3D modeling of splints with five-axis CNC carving.

Swiss-style hand-polished finishing lines.

Independently developed free-sprung balance wheel.

Swiss hairspring for stable and accurate timekeeping.

18K Wrapped Gold Rotor

More stable and refined compared to ACE / PPM alternatives.

· CNC Clasp

· CNC Crown

· SW Dial with Custom T&Co Stamping

· SW Hands

· Custom Sapphire Moonphase Disc to Match Gen Specs

· Deep Crystal

· Gen-style repolishing and case smoothing

· Waterproofed, regulated, and tested

Details & Service

Real Photos & QC Verification

Buying a watch online should be a confident experience. At Mandalorian Time, every timepiece undergoes a thorough inspection before it leaves our workshop. Our team carefully checks the finishing, functionality, and overall condition to ensure it meets our exacting standards. We also provide real photos or videos of the actual watch before shipping, giving you complete transparency and peace of mind with every purchase.

Expert Craftsmanship

At Mandalorian Time, every watch is meticulously refined with exceptional attention to detail. Our team carefully studies the design, proportions, and finishing of iconic timepieces to achieve the most accurate aesthetics and natural wrist presence. From the case and bracelet to the dial and overall finishing, every component is thoughtfully perfected to create a seamless and cohesive result. The end product is a watch that feels substantial, well-balanced, and comfortable enough to be enjoyed every day.

Worldwide Shipping & Support

Mandalorian Time proudly serves customers worldwide with secure packaging and dependable international shipping. Every watch is carefully packed to ensure it arrives in perfect condition, while our team provides dedicated support every step of the way. From answering product enquiries to assisting with payment and delivery, we strive to make the entire purchasing experience seamless, transparent, and hassle-free.

About the Product

What People Are Saying

“This mod was actually my idea, and Mandalorian Time brought it to life exactly as I pictured it. Every step — sourcing the sapphire bezel insert, right through to the casework — was walked through with me before it happened. Given what I was investing in this piece, that transparency mattered a lot. The final result speaks for itself."

— DM (Customer for 15407 Custom)

“From my first enquiry to receiving the watch, everything was handled professionally. They took the time to explain the customization options and even suggested improvements that made the final result look even better. The watch arrived securely packaged, and the quality was beyond what I expected. I'll definitely be coming back for my next project.”

— Alex (Customer of 126502)

“This is my second custom watch from Mandalorian Time, and once again they delivered exactly what they promised. The finishing, alignment, and overall attention to detail are outstanding. Customer service has always been responsive and honest, which gave me confidence throughout the entire process. It's hard to find this level of craftsmanship and reliability these days."

— JJ (Customer of RM 61-01)

Luxury That Lasts a Lifetime.

✳︎

Precision Crafted. Elegantly Designed.

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Premium Quality & Precision

✳︎

Precision Crafted. Elegantly Designed.

✳︎

Luxury That Lasts a Lifetime.

Luxury That Lasts a Lifetime. ✳︎ Precision Crafted. Elegantly Designed. ✳︎ Premium Quality & Precision ✳︎ Precision Crafted. Elegantly Designed. ✳︎ Luxury That Lasts a Lifetime.

Get in Touch

Whether you have a question, an idea, or just want to say hello, feel free to reach out—we’re here to help.