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Swiss diving watch Formex Reef GMT Automatic Chronometer 2202.1.5300.100 at first glance attracts attention with its distinctive, clearly recognisable case and highly legible dial. It is a modern take on a diving watch suitable for any occasion, characterised by simple lines, high durability and excellent clarity.
The case of the Formex Reef GMT Automatic Chronometer is made of steel with a brushed surface, complemented by striking polished facets. The case is dominated by a bi-directional rotating bezel with a ceramic insert and 24-hour time markings. The 48-click bezel can be easily changed without any tools, making it possible to adapt the look of the watch to your current mood. Despite its robust appearance, the case reaches a height of only 11,4 mm (in feel it corresponds more to a height of 9,5 mm).
The case is complemented by a steel strap finished with a folding buckle with fine micro-adjustment and the option to adjust the length by up to 10 mm. The strap is equipped with a quick-release system, so replacement is very easy even without tools.
The watch is powered by the Sellita SW330-2 (Chronometer Grade) automatic movement with COSC certification and a power reserve of around 56 hours. The movement with a frequency of 28800 vibrations per hour offers winding by crown and a seconds stop function when setting the time (hacking). In addition to the date, the watch offers a GMT function (display of a second time zone), enabling the display of up to three time zones using the 24-hour hand and the rotating bezel. The GMT hand can be moved in separate hour jumps independently of the current time (office GMT). The water resistance of the watch is 300 m (30 ATM), making it an ideal accessory for all water activities, including diving. The high water resistance is supported by a screw-down crown and case back. The case diameter is 42 mm, so the watch fits most men’s wrists very well.
Classic identifying features of the Formex Reef GMT Automatic Chronometer include a distinctive and highly legible dial, higher water resistance and a buckle with fine micro-adjustment. The clear dial is protected by a sapphire crystal with internal anti-reflective coating and high scratch resistance. Sapphire was also used for the case back, through which it is possible to observe the operation of the decorated movement with blued screws. Better legibility in reduced light conditions is ensured by luminescence (BGW9 Super-LumiNova) placed on the hands, indices and bezel.
The dial from Formex will please with a brushed surface with a sunburst effect and the form of hand-applied raised triangular indices, sloping from the edges towards the centre of the dial. The overall impression is underlined by the sensitively designed date display at the 6 o’clock position. You will appreciate the watch primarily for its versatility; with its set of features it is intended for use in sport, in water, but also when travelling and as an everyday accessory.
You can also find the watch under the designation Formex 2202.1.5300.100
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| Brand | Formex |
| Gender | Male |
| Style | Dive, Sports |
| Origin | Swiss |
| Guarantee | 5 years |
| Waterproof | 300 m |
| Weight | 172 g |
| Movement | Automatic |
| Caliber | Sellita SW330-2 |
| Movement accuracy in seconds | -4/+6 sec. / day |
Power Reserve  |
56 hodin |
| Case size | 42 mm |
| Lug-to-lug: |
47 mm |
| Case height | 11,4 mm |
| Case shape | Round |
| Case material | Stainless steel |
| Case color | Silver |
| Crystal material | Sapphire - anti-reflective |
| Dial | Analog |
| Dial color | Green |
| Transparent Case |
Yes |
| Threaded lid |
Yes |
| Strap material | Stainless steel |
| Buckle |
Push Button Deployant Clasp |
| Strap Width | 22 mm |
| Strap color | Silver |
| Date | Yes |
| Rotating bezel |
Bidirectional rotation – GMT |
| Functions | Date, Swivel bezel, Screw-on crown, Dual time / GMT, COSC |
| Luminescence |
SuperLuminova BGW9 hands and indexes |
| Other functions | 25 jewels, 28.800 oscillations / hour, Chronometre |
We guarantee the accuracy of the data. Did you find a mistake? Let us know and get 8 EUR on Watch purchase.
Guarantor: Kateřina Žváček
Jiří Štencek
+420 252 252 306
Mo-Th 9-19
Fr-Sa 9-16
info@helveti.eu
The product is included in categories
Men's automatic watches Men's steel watches Men's Swiss watch Men's silver watches Men's sports watches Men's watches with date Men's watches over 400 EUR Men's dive Watches Men's mechanical watches Reef Men's watches with GMT (second time zone) Reef Men's watches with steel bracelet Men's watches with sapphire crystal Watch gift for men Men's green watches Formex Formex
Formex Watches is an independent Swiss watch manufacturer based in Biel-Bienne, the cradle of Swiss watchmaking, where the entire production process takes place from design, development, assembly and testing of all watches. The company was founded in 1999 with the aim of producing watches that will meet the highest quality standards. The brand is known for the use of high-tech materials and the development of unique improvements and functions, leading to the technical perfection of the watch and an increase in wearing comfort - for all of them, let's name the Case Suspension System, a patented suspension system of the case, protecting the movement of the watch during impacts and increasing comfort on the wrist.
The Formex brand was founded by two brothers, watchmakers and watch enthusiasts who wanted to combine their passion for watches with their love of motorsport. High resistance is therefore typical for the design of the watch, suitable even for extreme conditions. It is aimed not only at watch lovers, but also at all athletes, outdoor enthusiasts and adventurers who require functionality and high reliability.
Formex is a combination of the French words "forme" and "extrème", loosely translated as extreme form/shape. All watches assembled at the brand's headquarters in Biel-Bienne meet the strictest requirements of the Swiss Made label. Every single piece goes through careful quality control and testing. Formex watches reflect love for watchmaking, high quality workmanship, innovative approach, relentless development, use of special materials and exceptional craftsmanship.
Helveti.eu is an authorized retailer, specialist and certified expert of the Formex brand.
Series: Essence Essence Leggera Field Automatic Reef
Manufacturer information: Formex, Chemin du Long-Champ 95F, 2504 Biel, Switzerland / info@formexwatch.com
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1 → We check, clean and set
We will check the functionality, set time, date and clean the watch carefully.
2 → We will carefully pack the watch
So that the watch does not have a chance to be damaged. We use special vacuum pads.
3 → We insure the watch against damage from the carrier
To be sure, we will insure the watch against breakage, so there is nothing to fear.
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 €150 = Helveti canvas bag.
From €150 = Credit card knife.
From €170 = Donut watch case.
From €400 = Parker Jotter.
From €600 = knife Mikov 100-NH-2A blue.
From €1000 = Victorinox Waiter knife with 9 functions.
From €1400 = Watchroll for 2pcs.
From €1650 = Helveti leather watch roll.
From €2000 = Leather travel case.
From €2800 = Leatherman REV.
From €4000 = Wooden watch box Helveti.
From €6000 = Watch winder Helveti black.
And on top of that, a 5-year warranty (You can find the terms of the extended warranty here) and free shipping.
You can view the gifts here:
