| Reference Ocarat | #49839 |
| Reference | ACY 1004 |
| Brand | Ralf Tech |
| Product Type | Watch |
| Gender | Men |
| Color | Orange Red |
| Material | Steel |
| Material Quality | 316L stainless steel |
| Warranty | 2 Years |
| Thickness (in mm) | 14,50 |
| Diameter (in mm) | 41,00 |
| Manufacturing | France |
| Labels and Certificates | Authorized Retailer Limited Edition |
| Dial Finish | Matte |
| Watch Case Back | Screwed caseback |
| Crystal Shape | Domed |
| Glass Quality | Sapphire Crystal |
| Glass Treatment | Anti-Reflective Coating |
| Buttons | 1 Crown |
| Screw Crown | Yes |
| Water Resistance (in ATM) | 20 |
| Frequency | 21,600 A/h (3 Hz) |
| Movements | Automatic (rotor) |
| Movement Type | Japanese Movement |
| Movement Brand | Ralf Tech |
| Calibers (Movements) | RTA 003 |
| Movement Base (Origin) | Seiko NH36 |
| Calendar and Time | Hours Minutes Seconds |
| Power Reserve (Maximum Duration) | 42 hours |
| Display Type | Analog (hands) |
| Display Specifications | Indices and railroad track Luminescent hands and indexes |
| Bracelet Material | Calfskin Silicone |
| Strap Color | Brown |
| Watch Clasp | Tang Buckle |
| Lug Width (in mm) | 22,00 |
| Buckle Width (in mm) | 20,00 |
| Limited Edition (Collector) | Yes |
| Activities | Swimming / Diving Technical Adventure Yachting / Sailing |
Limited Edition of 100 pieces.
The Watch
An exceptional timepiece with a clean, highly elegant aesthetic. This model is signed by Ralf Tech and belongs to the "Academie" collection. This "Volcano" version is a limited edition - only 100 pieces were produced worldwide. Its rarity is what makes it truly special. The case is crafted from satin-finished 316L surgical steel and measures 41 mm in diameter with a thickness of 14.50 mm. These refined dimensions make it a jewelry piece worth wearing every day, effortlessly complementing everything from casual outfits to formal attire. The crown is positioned at 3 o'clock and is screwed down for enhanced water resistance. The caseback is also screwed and engraved with the watchmaker's name, the collection name, and the serial number. The dial, true to its name, displays a red background reminiscent of volcanic lava - a bold statement of character. To protect this stunning dial, the brand chose a "Glass Box" sapphire crystal with anti-reflective coating, providing optimal visibility at all times. This model is designed for men who love to stand out with effortless elegance through their choice of timepiece.
The Dial
Perfectly round, this dial features a matte "Volcano" red background. The hours are marked by silver beveled rectangular indices. The beveled edges catch the light, adding brilliance to the dial. In addition, these indices, the hour and minute hands, the watchmaker's name, and the water resistance markings are all treated with "Superluminova" CVB. Superluminova is a luminescent coating that glows brightly in low-light conditions, ensuring perfect legibility at all times. A minute track runs along the outer edge of the dial. The independent watchmaker's name is positioned at 12 o'clock. Opposite it, you will find the markings "660ft / 200m Automatic" indicating both the movement type and the water resistance rating.
The Movement
The case houses a Ralf Tech in-house automatic mechanical movement - specifically the RTA003 caliber (based on an NH36 caliber). It displays hours, minutes, and seconds via an analog display. Featuring 24 jewels, this movement beats at 21,600 vibrations per hour (3Hz). It offers a power reserve of 42 hours.
The Strap
Delivered in a beautiful light brown travel case, this timepiece comes with two interchangeable straps. The case is fitted as standard with a vintage bordeaux calfskin leather strap featuring orange stitching. The second strap is a "tropic" silicone strap with small diamond-shaped perforations. Please note that the strap width is 22 mm.
Water Resistance
This model offers water resistance up to 20 atmospheres, or 200 meters. Ladies and gentlemen, this is a watch built to keep up with your deepest aquatic adventures! Designed for freediving, it handles the pressure with ease. You can also use high-pressure washers with this timepiece on your wrist without a second thought. Showering, bathing, lap swimming, and freediving are all fair game. However, for scuba diving with tanks, we recommend a timepiece with a higher water resistance rating. Also, avoid operating the crown or pushers while submerged to protect the integrity of the movement.




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Académie Automatic Volcano ACY 1004 Watch
(Ref. 49839)