Custom sapphire watch cases for haute horlogerie Mohs 9 · Structural transparency · Drawing-based manufacturing

A Focused Sapphire Partner

About Us

SapphireWatchCase is a focused B2B manufacturing partner specializing in clear and colored custom sapphire watch cases for luxury and independent watch brands.

Focused expertise in sapphire watch cases

We help watch teams translate ambitious transparent-case concepts into manufacturable sapphire architecture.

SapphireWatchCase specializes in custom sapphire watch cases for luxury watch brands, independent watchmakers and design studios that need more than a catalog component. Our work begins with the customer’s movement, drawing, 3D model or reference sample and develops through engineering review, material planning, precision shaping, polishing, inspection and protected delivery.

CustomDrawing-based projects
StructuralCases and assemblies
OpticalVisible polished surfaces
GlobalB2B project support

Our role in your supply chain

We act as a technically focused sapphire watch-case partner. That means asking the practical questions early: How will the movement enter the case? Which surface is the datum? Can an internal wall be polished? Where will fastening load be transferred? How will brittle edges be protected? How will cosmetic quality be judged? Which dimensions truly control the fit?

Engineering communication

We review drawings and 3D files, identify manufacturability risks and align critical specifications before quotation.

Prototype discipline

Complex structures are validated through samples so geometry, appearance and assembly can be reviewed together.

Production continuity

Approved requirements become the reference for batch manufacturing, inspection, labeling and protective packaging.

What we value

  • Clear specifications instead of assumptions
  • Early DFM feedback instead of late surprises
  • Functional tolerances tied to the assembly
  • Measurable cosmetic standards
  • Honest feasibility discussions
  • Careful protection of finished sapphire

Projects we are best suited for

Our strongest fit is a custom B2B project with a real drawing, a defined movement or assembly context, and a customer willing to confirm technical and cosmetic priorities. We support prototypes, limited series and repeat production subject to geometry and material feasibility.

Contact

SapphireWatchCase
Room 1-1810, No. 1079 Dianshanhu Road, Qingpu District, Shanghai 201799, China
Email: eric_wang@zmsh-materials.com
Telephone / WhatsApp: +86 158 0194 2596

Your next sapphire watch case

Turn the movement into the visual center of the watch.

Share a drawing, 3D model or reference sample. We will review the sapphire route, case geometry, movement fit, edge risk, visible surfaces and inspection requirements before quotation.

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