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Movement
Automatic
Case material
Steel
Crystal material
Sapphire - anti-reflective
Weight
200 g
Waterproof
200 m
The Swiss Fortis B-42 Marinemaster Chronograph 671-17-41-M watches do not deny the specific handwriting of the Fortis brand. Of course, perfect clarity, robustness and durability are the hallmarks. This watch can be used not only in the water, but also in everyday wear.
The Fortis B-42 Marinemaster Chronograph 671-17-41-M has a case made of stainless steel, which is completed with a steel tension. A Swiss Valjoux 7750 mechanical movement with automatic winding works reliably in the case. It runs at a frequency of 28,800 semi-frequencies per hour and has 25 jewels. The stopwatch function can be used, with a minute counter at the 12 o'clock position and an hour counter at the 6 o'clock position. The movement also has a "hacking" function (stopping the second hand when ordered) and the possibility of manual winding by the crown. At the 3 o'clock position we find a handy date and day of the week display. A unidirectional rotating toothed lunette is used to measure time periods.
The perfectly clear dial is protected by a sapphire crystal that is maximally scratch-resistant. The double-sided anti-reflective coating ensures excellent legibility even in direct sunlight. The SuperLuminova luminescence on the hands and indexes enables readability in darkness and low-light conditions. The water resistance of this model is 200m, so it can handle even greater contact with water, such as swimming or diving to about 20m.
Note: although the case size is 42mm, the lunette extends 2mm over the case, giving the watch the impression of a 46mm size.
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Brand | Fortis |
Gender | Male |
Style | Sports, Dive |
Origin | Swiss |
Guarantee | 5 years |
Waterproof | 200 m |
Weight | 200 g |
Movement | Automatic |
Caliber | Valjoux 7750 |
Movement accuracy in seconds | ±10 sec. / day |
Power Reserve | 48 hours |
Stopwatch measurement accuracy | 1/1 sec. |
Case size | 42 mm, s lunetou 46 mm |
Case shape | Round |
Case material | Stainless steel |
Crystal material | Sapphire - anti-reflective |
Dial | Analog |
Dial color | Black |
Transparent Case | No |
Threaded lid | Yes |
Strap material | Stainless steel |
Buckle | Překlápěcí s pojistkou |
Strap Width | 20 mm |
Strap color | Silver |
Date | Yes |
Rotating bezel | One way – diving |
Stopwatch | Yes |
Day of the week indicator | Yes |
Functions | Date, Day of the week, Swivel bezel, Stopwatch |
Screw-on Crown | Ne |
Luminescence | SuperLuminova hands and indexes |
Other functions | 25 kamenů, 28800 polokmitů/hod. |
We guarantee the accuracy of the data. Did you find a mistake? Let us know and get 200 CZK on Watch purchase.
Guarantor: Simon Vlasenko
Jiří Štencek
+420 774 272 737
Mo-Th 9-19
Fr 9-16
Sa 10-15
info@helveti.eu
The product is included in categories
Dive Watches Sports Watches Aquatis Aquatis Swiss Watch Steel Fortis Mechanical
The Swiss brand Fortis fully fulfills the meaning of its name, which means "strong" in Latin. It is synonymous with durability, robustness and reliability. Its purely mechanical watches serve professional pilots well, can be used underwater and have even served cosmonauts in space! In the years 1994-2019, Fortis watches were the official equipment of cosmonauts of the space agency Roskosmos. However, the foundations of Fortis' journey into space were already laid in 1961, when the founder's son Rolf Vogt showed the Fortis Spacematic AR (All Risks) watch to NASA astronauts. It was not until 1994 that the Official Cosmonauts Chronograph model looked into open space as part of the preparatory work for the historic connection of the American space shuttle Atlantis with the Russian MIR station.
Fortis is currently working with the Austrian Space Forum as the official timekeeper for the AMADEE Mars Mission simulation. From 2021, the Swedish Space Corporation became the official partner of Fortis in the testing and development of a purely space watch Fortis, where the stratospheric tests of the Werk 17 movement will be of particular interest.
The Fortis brand was founded in Grenchen, Switzerland in 1912 by Mr. Walter Vogt and, in addition to the already mentioned space successes, it has also achieved many other interesting milestones. In 1926, Fortis, in collaboration with the inventor of the first automatic movement, John Harwood, recorded the world's first serial production of a self-winding mechanical watch! Fortis introduced one of the world's first waterproof watches in 1940. Since 2018, its lifelong fan Jupp Philipp has become the owner of the Fortis brand.
Model lines: Novonaut Flieger Marinemaster Stratoliner
Old model lines: Cosmonautis Aviatis Aquatis
Helveti.cz is an authorized dealer and specialist of the Fortis brand.
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With each watch, you will receive a gift of your choice from us. Gifts are graduated according to the value of the order.
From €0 = Cleaning cloth, with which you can polish the glass of a watch.
From €100 = Stroke shortener, you can adjust the watch bracelet to your hand.
From €210 = Donut watch case or the knife Mikov 100-NH-2A.
From €420 = Victorinox Waiter knife with 9 functions.
From €630 = Leather watch roll, protects up to 3 watches.
From €1200 = Wall clock MeisterSinger WU18 or Leatherman REV.
From €2100 = Watch winder Designhütte Optimus 1 70005-61.
From €3000 = Watch box Friedrich Lederwaren Cubano 27022-6.
And on top of that, a 5-year warranty, watch insurance and free shipping.
You can view the gifts here: