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The Khaki Navy Frogman Automatic, with its bold new look, is Hamilton's most technically capable watch, ready for maritime use. Designed for precision, readability and endurance, this precision instrument brings the immense power of the ocean to the wrist with a uniquely shaped crown guard and a tactical silicone strap with a wave pattern.
The Hamilton Khaki Navy Frogman Auto H77855330 features a larger 46 mm case, increased water resistance to 30 ATM (300 m) and an extra-legible dial. It is a high-performance watch ready for all your adventures on, in and under the water.
Inside the case is the reliable Swiss Hamilton H-10 mechanical movement with automatic winding (based on the ETA C07.611, which is based on the ETA 2824-2). It operates at a frequency of 21600 vibrations per hour, has 25 jewels and, above all, an extended power reserve of 80 hours. The movement also has a "hacking" function (the seconds hand stops when setting the time) and can be wound manually using the crown.
The movement's balance spring is made from Nivachron alloy, which is more resistant to magnetic fields and temperature changes and contributes to improved watch accuracy.
The steel case with a black PVD treatment is paired with a well-crafted black silicone strap with a pin buckle.
The black dial is protected by a sapphire crystal. Sapphire crystal is a major advantage in a watch, as it is almost impossible to scratch. The anti-reflective coating ensures excellent readability even in bright sunlight.
The hands and indices are coated with a luminescent layer, ensuring longer-lasting luminescence and better readability in poor lighting conditions.
The 46 mm case diameter places this model among larger men's watches. The watch has a water resistance of 300 m (30 ATM), making it suitable for deep diving. Water resistance is supported by a screw-down crown.
The original silicone strap for this model is designated H6000001231.
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| Brand | Hamilton |
| Gender | Male |
| Style | Dive, Sports |
| Origin | Swiss |
| Guarantee | 5 years |
| Waterproof | 300 m |
| Weight | 136 g |
| Movement | Automatic |
| Caliber | H-10 |
| Movement accuracy in seconds | ±20 s / day |
Power Reserve  |
80 hours |
| Case size | 46 mm |
| Case height | 13,58 mm |
| Case shape | Round |
| Case material | Steel with PVD treatment |
| Case color | Black |
| Crystal material | Sapphire - anti-reflective |
| Dial | Analog |
| Dial color | Black |
| Transparent Case |
No |
| Strap material | India rubber |
| Buckle |
Tang Buckle |
| Strap Width | 22 mm |
| Strap color | Black |
| Quick release system |
no |
| Date | No |
| Rotating bezel |
Yes |
| Functions | Swivel bezel, Screw-on crown, No date |
| Screw-on Crown |
Yes |
| Luminescence |
SuperLuminova hands and indexes |
| Other functions | Ceramic bezel, Nivachron hairpin |
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 Frogman Men's sports watches Men's black watches Men's watches over 400 EUR Men's dive Watches Men's mechanical watches Khaki Navy Men’s watches Hamilton Khaki Navy Men's watches with sapphire crystal Men's Watches Hamilton Hamilton
The Hamilton brand was founded in Lancaster, Pennsylvania, originally to produce only pocket watches. Thanks to the accuracy of the Hamilton watch, the problem of frequent accidents in the early days of railroad transportation in the United States was solved. It was the superior quality and accuracy of the first Hamilton pocket watches, as well as the ability to innovate and act quickly while maintaining high standards, that first caught the attention of the US military as early as 1914. As an official supplier to the US armed forces during World War I, Hamilton equipped hundreds of soldiers with reliable watches. This led to a shift in production from pocket watches to more comfortable wristwatches, a change that has stuck.
Groundbreaking, practical and precise: Hamilton uses a unique combination of Swiss precision and American spirit to create distinctive, versatile watches for style-conscious lovers. Hamilton has a long history and has achieved numerous milestones, all of which have contributed to making Hamilton the strong and internationally recognized watch brand it is today.
Helveti.eu is an authorized dealer and specialist of the Hamilton brand.
Manufacturer information: Hamilton International Ltd, Länggasse 85, Biel, Switzerland / info@hamiltonwatch.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:
