Holthinrichs Signature LAB Series 1.GMT (titanium)
The Holthinrichs Signature LAB Series 1.GMT (titanium) is a current-production watch with a grade 5 titanium case, finished with 3d-printed (dmls) titanium. It is priced well above the $1,500 median across the guide. Nothing touching the skin is nickel-bearing steel, verified across the case, caseback and bracelet.

- Type
- Other
- Case diameter
- 38.5 mm
- Origin
- Netherlands
- Movement
- Automatic (GMT)
- Caliber
- Sellita SW330
- Power reserve
- 56 h
- Complications
- GMT
- Colour
- Grey
- Surface treatment
- 3D-printed (DMLS) titanium
- Caseback
- Titanium
- Nickel-free
- Yes
- Bracelet / strap
- Leather strap
- Crystal
- Sapphire
- Display back
- Yes
- Dial
- Silver
- Dial colours
- Silver
- Availability
- Offered
- Status
- Current
- Not published
- Reference, Thickness, Lug-to-lug, Weight, Hardness, Construction, Matching bracelet, Lume
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Frequently asked questions
Is the Holthinrichs Signature LAB Series 1.GMT (titanium) nickel-free?
Yes. Nothing nickel-bearing touches the skin: a grade 5 titanium case with a titanium caseback, plus a non-steel crown and strap. The Wristwatch Field Guide marks it nickel-free for whole-watch skin contact. If your allergy is severe, confirm the contact points with the maker.
What is the case material of the Holthinrichs Signature LAB Series 1.GMT (titanium)?
The Holthinrichs Signature LAB Series 1.GMT (titanium) has a grade 5 titanium case with a titanium caseback. This is confirmed against the maker spec.
What size is the Holthinrichs Signature LAB Series 1.GMT (titanium)?
It is 38.5 mm in diameter, and water resistant to 50 m.
How much does the Holthinrichs Signature LAB Series 1.GMT (titanium) cost, and is it available?
It is current-production and lists from $7,050.
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