Enclosures and housings
Miyota 9075 GMT Wristwatch Case
- Bounding box
- 39.0 × 47.9 × 12.0 mm
- Engine
- Precision B-rep
- Parameters
- 15
- Published
- September 30, 2026
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The prompt
Create a CNC-machinable wristwatch case for the Miyota 9075 automatic GMT movement. Use millimeters for all dimensions. OVERALL CASE Case diameter: 39.00 mm Overall lug-to-lug length: 47.90 mm Lug width: 20.00 mm Overall assembled height to top of crystal: approximately 12.00 mm Case material: 316L stainless steel or brass prototype Case shape: round central case body with four integrated curved lugs. The case should be suitable for CNC machining from solid stock. MOVEMENT
Parameters
| Name | Value | Range |
|---|---|---|
| Case Diameter | 39 mm | 36 – 46 |
| Lug-to-Lug Length | 47.9 mm | 47 – 60 |
| Lug Width (Strap Gap) | 20 mm | 16 – 26 |
| Case Height | 12 mm | 8 – 16 |
| Lug Arm Width | 4 mm | 2.5 – 6 |
| Movement Cavity Diameter | 26 mm | 24 – 27 |
| Dial Opening Diameter | 31 mm | 28 – 32 |
| Crystal Opening Diameter | 33 mm | 30 – 34 |
| Dial Recess Depth | 2.8 mm | 1.5 – 4 |
| Crystal Recess Depth | 1.5 mm | 0.5 – 3 |
| Crown Hole Diameter | 3 mm | 1.5 – 5 |
| Stem Height from Bottom | 3 mm | 1.5 – 5 |
| Lug Spring Bar Hole Diameter | 1.8 mm | 0.8 – 3 |
| Lug Hole Center Y (Top) | 21.9 mm | 20 – 24 |
| Edge Fillet Radius | 0.5 mm | 0.1 – 1 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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