| Reference Ocarat | #113521 |
| Reference | 524.407 |
| Brand | Airain |
| Product Type | Watch |
| Gender | Men |
| Color | Black Gray |
| Material | Steel |
| Material Quality | 316L stainless steel |
| Finish | Matte (Brushed / Satin) |
| Warranty | 2 Years |
| Length (in mm) | 48,20 |
| Thickness (in mm) | 10,45 |
| Diameter (in mm) | 37,50 |
| Manufacturing | Switzerland |
| Labels and Certificates | Authorized Retailer Limited Edition |
| Bezel | Matte Black PVD Unidirectional With a minute track With luminescent marker(s) |
| Watch Case Back | Screwed caseback |
| Crystal Shape | Domed |
| Glass Quality | Sapphire Crystal |
| Glass Treatment | Anti-Reflective Coating |
| Watch Case Types | Date |
| Buttons | 1 Crown |
| Water Resistance (in ATM) | 20 |
| Frequency | 28,800 A/h (4 Hz) |
| Movements | Automatic (rotor) |
| Calendar and Time | Dates Hours Minutes Seconds |
| Timekeeping and Measurement | Hacking seconds device |
| Power Reserve (Maximum Duration) | 68 hours |
| Display Type | Analog (hands) |
| Display Specifications | Arabic Numerals Indices and railroad track Luminescent Numerals Luminescent hands and indexes |
| Bracelet Material | Rubber Stainless Steel |
| Strap Color | Black Gray |
| Bracelet Material Finish | Brushed steel Micro Perforated |
| Watch Clasp | Stretch Bracelet Tang Buckle |
| Lug Width (in mm) | 20,00 |
| Buckle Width (in mm) | 18,00 |
| Limited Edition (Collector) | Yes |
Airain is a watchmaking brand offering high-quality timepieces powered by precision movements. It embodies the perfect balance between tradition and modernity, functionality and elegance - drawing its inspiration from aviation history to create timeless watches. Every model carries a refined, distinguished presence that consistently elevates the wrist. Within the Sous-Marine collection sits this stunning 524.407 watch, built for diving and developed with the input of the brand's community and fans. Available as a limited edition, it features a comfortable and robust silver-toned case crafted from brushed 316L stainless steel, with a lug-to-lug length of 48.20 mm, a diameter of 37.50 mm, and a thickness of 10.45 mm - proportions that sit perfectly on men's wrists. The case is crowned by a 120-click rotating ratcheted bezel with a round SuperLuminova marker that glows in the dark. Unidirectional, it features a minute track graduation. A domed sapphire crystal of 2.92 mm thickness sits atop the case, effectively protecting the dial from scratches and everyday impacts. An anti-reflective treatment ensures effortless legibility at all times. Hours, minutes, and the date are all set via the Parmentier crown at 3 o'clock. Finally, the screwed caseback delivers a water resistance of 20 ATM.
The dial of this timepiece features a faded black background that deepens its timeless appeal. At the center, three polished silver hands display hours, minutes, and seconds. The hands, indexes, and Arabic numerals are all treated with SuperLuminova C3, ensuring excellent legibility in low-light conditions. A minute track runs along the dial's perimeter for easy minute reading, and at 3 o'clock, a white-background date window displays the date in red numerals. The brand name appears near 12 o'clock as a signature.
This model is powered by a Swiss-made automatic movement - specifically caliber AM5, fitted with 24 jewels to ensure reliable performance across all indicators. It delivers a power reserve of 68 hours and beats at a frequency of 28,800 vph. The movement is equipped with a tungsten rotor and a seconds-stop device.
Airain presents this beautiful watch with two straps featuring a 20 mm lug width, delivering the perfect charming finishing touch to this fine timepiece.
The first strap is crafted from black perforated rubber. Flexible and durable, it pairs well with a wide range of outfits while keeping you comfortable throughout the day. Equipped with a quick-release system, it fastens to your wrist with an 18 mm pin buckle.
The second strap, crafted from stainless steel, is a Fixoflex style in a silver tone. Composed of highly durable brushed links that are easily removable for a custom fit, it is expandable and clasp-free.
This model offers a water resistance of 20 atmospheres, or 200 meters. A true companion for deep-water activities - it's built for freediving. Pressure washers? Not a problem with this watch on your wrist. Showers, baths, lap swimming, and freediving are all fair game. That said, we recommend a higher water resistance rating for scuba diving with tanks. Also, avoid operating the crown while submerged to protect the movement's integrity.




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"Faded Black Submarine Watch Limited Edition 524.407"
(Ref. 113521)