Holthinrichs
SIGNATURE LAB 1.GMT
SIGNATURE LAB 1.GMT
The SIGNATURE LAB 1.GMT features copper-oxide patina, an engraved globe and the Dutch atelier's distinctive titanium case construction.

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Specifications
| Variant | SIGNATURE LAB 1.GMT |
|---|---|
| Movement | automatic |
| Calibre | Sellita SW330 automatic GMT |
| Diameter | 38.5 mm |
| Case material | 3D-printed Grade 5 titanium |
Omitted specifications have not been confirmed. From published article 2026-10-13. Original source ↗
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A map of the world gives Holthinrichs' anniversary GMT its character ↗