Longines HydroConquest homages
One homage of the Longines HydroConquest, drawn to scale beside it with price, movement and size.
41 mm across1 homage
See the homage
How to recognise one
Five marks make the look. The count says whether the one homage keeps each one.
Blue ceramic dive bezel
A blue bezel with a triangle at 12, a white scale and numerals every ten minutes.
Numerals at 12, 9 and 6
Outlined Arabic numerals mark 12, 9 and 6 on a blue dial.
Round hour plots
Large round lumed plots mark the other hours.
Date at 3
A white date window with a thin frame sits at 3.
Steel bracelet
A brushed steel bracelet of broad links with polished edges.
Each close-up covers about 12.5 mm of watch, using the listed case width and estimated photo edges.
The one homage
The only homage of the Longines on Bewrist so far.
Cadisen C8197G
Miyota 8215.
Price and size not listed yet
Original specifications
Sizes and specifications apply to the version named below. Other versions can differ.
HydroConquest automatic 41 mm model scope
useful model-specific collection candidate
| Specification | Value | Sources and notes |
|---|---|---|
| Case width | 41 mm | HydroConquest 41 mm L3.781.4.05.6 | WatchSize.ioHydroConquest 41 mm L3.781.4.05.6 | Tempus Europa Sources agree. WatchSize and Tempus Europa independently agree on this exact-reference value. |
| Lug to lug | 51.1 mm | HydroConquest 41 mm L3.781.4.05.6 | Tempus Europa One cited source. Tempus Europa reports 51.1 mm; WatchSize reports 51 mm at whole-millimetre precision, compatible when rounded to the nearest millimetre. |
| Thickness | 11.9 mm | HydroConquest 41 mm L3.781.4.05.6 | WatchSize.ioHydroConquest 41 mm L3.781.4.05.6 | Tempus Europa Sources agree. WatchSize and Tempus Europa independently agree on this exact-reference value. |
| Lug width | 21 mm | HydroConquest 41 mm L3.781.4.05.6 | WatchSize.ioHydroConquest 41 mm L3.781.4.05.6 | Tempus Europa Sources agree. WatchSize and Tempus Europa independently agree on this exact-reference value. |
| Crystal | sapphire, double-sided anti-reflective | HydroConquest L3.781.4.05.6 | Longines One primary source. Single successful page body supports this candidate-scoped value. |
| Water resistance | 300 m | HydroConquest L3.781.4.05.6 | Longines One primary source. Single successful page body supports this candidate-scoped value. |
| Lume | Swiss Super-LumiNova | HydroConquest L3.781.4.05.6 | Longines One primary source. Single successful page body supports this candidate-scoped value. |
| Power reserve | 72 hours | HydroConquest L3.781.4.05.6 | Longines One primary source. Single successful page body supports this candidate-scoped value. |
Sources and unconfirmed details
- HydroConquest L3.781.4.05.6 | Longines, read 2026-10-07T07:53:21Z
- HydroConquest 41 mm L3.781.4.05.6 | WatchSize.io, read 2026-10-07T08:45:00Z
- HydroConquest 41 mm L3.781.4.05.6 | Tempus Europa, read 2026-10-07T08:45:00Z
L3.781.4.96.6Shown in the photograph
Exact blue-dial L3.781.4.96.6. Current maker page advertises up to 72 hours; earlier production examples may have 64-hour movements.
| Specification | Value | Sources and notes |
|---|---|---|
| Case width | 41 mm | longines.com | L3.781.4.96.6 One primary source. Selected from the body-read source for the pictured model. |
| Lug to lug | Not confirmed | No supported exact-reference selection. |
| Thickness | 11.9 mm | francisandgaye.co.uk | L3.781.4.96.6salajoiers.com | L3.781.4.96.6 Sources agree. Two body-read sources agree on this exact-reference value. |
| Lug width | 21 mm | salajoiers.com | L3.781.4.96.6 One cited source. Selected from the body-read source for the pictured model. |
| Movement type | automatic | longines.com | L3.781.4.96.6 One primary source. Selected from the body-read source for the pictured model. |
| Movement calibre | L888 | francisandgaye.co.uk | L3.781.4.96.6 One cited source. Selected from the body-read source for the pictured model. |
| Water resistance | 300 m | francisandgaye.co.uk | L3.781.4.96.6 One cited source. Selected from the body-read source for the pictured model. |
| Power reserve | Sources differ | Exact-reference sources describe 64 and72hour production generations. Photograph does not establish movement generation. Sources differThe current maker page states up to 72 hours. Francis and Gaye states 64 hours, likely for earlier production. The photograph does not establish the movement generation.
|
Sources and unconfirmed details
- Not stated in the body-read exact-reference sources.
- Exact-reference sources describe 64 and72hour production generations. Photograph does not establish movement generation.
- longines.com | L3.781.4.96.6, read 2026-10-07
- francisandgaye.co.uk | L3.781.4.96.6, read 2026-10-07
- salajoiers.com | L3.781.4.96.6, read 2026-10-07
More about the HydroConquest
Lay a homage over the LonginesAny of the 1, laid over the original at one scale
Lay the Cadisen C8197G over the Longines
Slide to fade from one watch to the other and compare the case shapes. The figures below describe the version shown in the photograph.
41Longines HydroConquest
40 mm placeholderCadisen C8197GWidth unknown for one or both watches. The 40 mm placeholder does not show their true relative size. Photo proportions stay unchanged. Perspective and lug length can differ.
Longines HydroConquest photo: L3.781.4.96.6. Cadisen C8197G photo: C8197 image 1.
L3.781.4.96.6, specifications and sources
| Measure | Longines | Cadisen C8197G |
|---|---|---|
| Case width | 41 mm | Not listed yet |
| Lug to lug | Not listed yet | Not listed yet |
| Thickness | 11.9 mm | Not listed yet |
| Lug width | 21 mm | Not listed yet |
| Movement | L888 | Miyota 8215 |
| Power reserve | Not listed yet | Not listed yet |
| Water | 300 m | 200 m |
| Price | Not tracked here | Not listed yet |
Side view
Thickness not listed yet
Copies
Not compared yet
Gives it away
No difference noted