Crafted in Geneva — Est. MMXI
Sport GMT
CLB-S01
Dual Time Zone — 300 m Water Resistance
“Every meridian. One wrist.”
$8,900
Titanium five-link bracelet
The Sport GMT is built for professionals who cross time zones without compromise. Grade 2 titanium construction brings the 44 mm case to just 98 grams, while a bidirectional 24-hour graduated bezel and independently adjustable GMT hand allow instant reading of a second time zone. Sealed to 300 m, it performs equally at a boardroom meeting or a saturation dive.
Each Calibre timepiece is assembled, adjusted, and timed individually in our Geneva atelier. Expected lead time is 4–6 weeks from order confirmation. Complimentary delivery by insured courier.
Movement & Case
Technical Specifications
| Reference | CLB-S01 |
| Movement | CLB-S, automatic, GMT |
| Frequency | 28,800 vph / 4 Hz |
| Jewels | 28 jewels |
| Power Reserve | 60 hours |
| Case Material | Grade 2 titanium, brushed and sandblasted |
| Case Diameter | 44 mm |
| Case Thickness | 14.0 mm |
| Crystal | Scratch-resistant sapphire, 2.5 mm thick |
| Water Resistance | 300 m / 30 bar |
| Bezel | Bidirectional 24-hour titanium bezel, engraved and filled |
| Bracelet | Titanium five-link bracelet with wet-suit extension clasp |
At a Glance
Every component is finished by hand according to the conventions of haute horlogerie — bevelled, mirror-polished, and signed by the watchmaker who assembled it.
Dimensions
Size on the Wrist
Case Diameter
44 mm
Case Material
titanium
Water Resistance
300 m
Power Reserve
60 hr
The 44 mm case diameter positions the Sport GMT as a bold statement piece intended to be seen. Rendered above against a reference 65 mm wrist — actual fit varies by wrist circumference.
Horological Mastery
Complications
Sport GMT
GMT (Dual Time Zone)
An additional red-tipped GMT hand completes one revolution in 24 hours, independently settable via the crown to display a second time zone against the 24-hour graduated bezel.
Surface Treatment
All bridges and plates receive côtes de Genève finishing, perlage, and hand-anglage to the interior angles — invisible to the wearer, essential to the maker.
Geneva Standard — since 1886
CALIBRE Horology Maison — Geneva, Switzerland
Guarantee
5-year international
Service
Free first service
Provenance
Swiss Made