Longines · HydroConquest GMT
Longines HydroConquest GMT
Reference L3.790.4.56.6 · GMT / travel · 41 mm
Specifications
- Reference
- L3.790.4.56.6
- Family
- HydroConquest GMT
- Category
- GMT / travel
- Status
- Current
- Case material
- Stainless steel
- Case diameter
- 41 mm
- Case thickness
- —
- Lug-to-lug
- —
- Lug width
- —
- Water resistance
- 300 m
- Bezel
- Rotating, diver
- Calibre
- L844 Official
- Power reserve
- up to 72 h
- Frequency
- 25,200 vph (3.5 Hz)
Official product page · retrieved October 14, 2026
Does it fit your wrist?
Enter your wrist circumference. The watch appears to scale on the flat top of the wrist.
No lug-to-lug figure exists for this reference yet, so fit cannot be computed.
Measurements and sources
Brands rarely publish thickness, lug width and lug-to-lug together. Each observation below is kept separate, with who gave it.
Case thickness
No source gave this figure yet.
Lug-to-lug
No source gave this figure yet.
Lug width
Lug width is the gap between the lugs, where the strap fits. It is not lug-to-lug.
No source gave this figure yet.
Calibre source
Official Longines · retrieved October 14, 2026
Other versions in the same case
These references differ only by dial, bracelet or bezel colour. The brand gives them the same case dimensions, so the figures on this page apply to them too.
Other Longines models
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Spirit Zulu Time L3.812.4.63.6 | 42 mm | 13.9 mm | 49 mm | L844 |
| HydroConquest L3.781.4.56.6 | 41 mm | 11.9 mm | 51.1 mm | L888 |
| Legend Diver L3.774.4.30.2 | 42 mm | — | — | — |
| Master Collection L2.793.4.59.6 | 40 mm | — | — | — |