LAVENTURE MARINE TYPE 3
TITANIUM / WHITE
LAVENTURE Marine Type 3 film
sound : off

Technical specifications
CASE
- Titanium Grade 23
- Diameter : 38,00 mm
- Thickness (without crystal) : 8.90 mm
- Length lugs to lugs : 46.20 mm
- Finishing : « tribofinition » / « stonewashed »
BEZEL
- Titanium Grade 23
- Fixed
- 60 graduations filled with black lacquer
CROWN
- Titanium Grade 23
- Diameter : 8,00 mm « Big Crown »
- Screwed
DIAL
- « Amagnetic » Sandwich Construction
- Galvanic black top plate, Super-LumiNova white pad printing
- Soft-iron bottom plate (Faraday cage)
HANDS
- Hours, Minutes and Seconds, matt white + Super-LumiNova white
WATERPROOF
- Laboratory-tested depth 300 m / 1000 ft to ISO 6425
ANTI-MAGNETIC
- Faraday cage
- Laboratory-tested resistance to magnetic fields to ISO 764 standard
STRAPS
- Main strap PFKM rubber and Titanium Grade 23 buckle
- Textile / Elastic secondary strap

The inspiration
This MARINE TYPE 3 collection is an immersion in the 80s and its marine chronometers: technical precision instruments with dials, numerals and graduations of pure graphic design and exemplary legibility.

The dial
The dial, small in diameter to accentuate the spirit of a dashboard chronometer, is of “sandwich” construction, in two plates.
The lower plate, not visible, is made of soft iron. This, together with the encircling ring and non-magnetic cover, creates a Faraday cage that blocks magnetic fields and protects the movement.
The visible top plate is galvanically black, with all the pad printing: logo, numerals and graduations in white photoluminescent Super-LumiNova.

The PLEXIGLAS® « Cheminée »
The “Cheminée” crystal in PLEXIGLAS®.
PLEXIGLAS® has been used in LAVENTURE® watches since 2019 because of its local production, warmth, lightness, suppleness and flexibility, making it more resistant to impact and less likely to shatter into hundreds of sharp flakes than sapphire crystal.
The environmental impact of plexiglass glass production pales in comparison with the disastrous impact of sapphire production. Sapphire crystal is the watch component with the highest environmental impact.
The only drawback to plexiglass is that it is more sensitive to scratches, but polishing it is very simple (with the famous polishing paste + microfiber). It is also simpler and less expensive to replace than sapphire crystals.

Grade 23 Titanium
This MARINE TYPE 3 is machined from Grade 23 titanium. Grade 23 Titanium, or Ti 6Al-4V ELI, is a very low-inclusion titanium, a purer variant of Grade 5. The interstitial element content (iron, oxygen and carbon) of this alloy is strictly controlled and limited during the melting process. Chosen for its superior mechanical properties, light weight, corrosion resistance, fatigue strength, hardness and excellent biocompatibility with the human organism.
The tribofinishing (stonewashing) performed on these Titanium components softens sharp edges, improves surface finish, increases surface hardness, durability, corrosion resistance and wear resistance of this tool watch, while giving it a unique visual appearance.

The movement
Calibre 4 produced by Sellita on a “SW300-1 b” base for LAVENTURE®.
- Swiss Self-winding mechanical movement
- Frequency 4Hz, 28'800 Alt/h
- 25 jewels
- 56 hours power reserve
- Gilded 3N circular-grained pearl pattern plate
- Bridges "Côtes de Genève", diamond spiral, LAVENTURE engravings, gilded 3N
- Openworked oscillating weight, satin-finish, paper spiral, curved « soleillage », LAVENTURE engravings, gilded 3N
- Officially “CHRONOMÈTRE” certified

COSC
Officially Certified « CHRONOMETER »
To achieve this certification issued by the Contrôle Officiel Suisse des Chronomètres (COSC), each LAVENTURE® Calibre movement is tested for 15 days, in 5 positions and at three different temperatures: 8°C, 23°C and 38°C.
The COSC checks daily to ensure that the movement is working properly.
Based on the measurements, 7 eliminatory criteria are calculated. If, and only if, all 7 criteria are met, the movement receives its certification.
The “Chronometer” certification is an official standard of precision, guaranteeing a running time of between -4/+6 seconds per day.
As a reminder, the Contrôle Officiel Suisse des Chronomètres is an independent institute responsible for certifying the accuracy and precision of Swiss watches.

Amagnetic
Antimagnetic (non-magnetic or amagnetic) watches are those that can operate with minimal deviation when exposed to a certain level of magnetic field.
The international standard ISO 764 Horlogerie - Montres résistantes aux champs magnétiques defines the resistance of watches to magnetic fields. According to ISO 764, a watch must withstand exposure to a continuous magnetic field of 4800 A/m. The watch must maintain its accuracy to within ±30 seconds/day, as measured before the test, in order to be recognized as magnetic field resistant.
This faraday-caged Marine Type 3 has passed laboratory testing. It is therefore officially a non-magnetic watch (anti-magnetic or amagnetic) according to ISO 764 standards.

Limited edition
The solid caseback, for added sturdiness, features the engraving of the LAVENTURE® logo and serial number in the spirit of famous numbered professional tool watches. The technical information is placed on the middle case, under the lugs, to streamline the caseback.
This Marine Type 3 is limited to 100 pieces per color for 2025, numbered from 001 to 100.
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