The watch’s rigidity is further enhanced by the Angelus in-house six-spoke design, which reinforces the wheel train and protects the skeletonized ratchet and barrel. Calibre A-300 The design is highly complex and features a variety of curves and lines combined with alternating polished and satin-finished surfaces and a see-through back. The example below uses information from the American Waltham Watch Company, but that is just an example. You should consult the serial number table for the specific brand of watch movement you are trying to date by selecting a company from the menu on the left. Not all vintage watches can be dated using the serial number.
Angelus is a legendary Swiss watch manufacturer and was founded in 1891. They are highly recognized as one of the 20th century’s most influential watchmakers. In addition, collectors still prize vintage Angelus chronograph watches made, from the 1930s through 1960s. The Angel of the Lord declared to Mary: And she conceived of the Holy Spirit. Hail Mary, full of grace, the Lord is with thee; blessed art thou among women and blessed is the fruit of thy womb, Jesus. Angelus watches in stock now. Daily new offers on. Safe favorite watches & buy your dream watch on Chrono24.com.
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Angelus reaches new depths far below sea level with its first diver’s watch, the U50 Diver Tourbillon.
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The U50 Diver Tourbillon is powered by the A-300 in-house tourbillon movement.
Introduction
Minnesota sewing machine model a serial numbers. The A-300 in-house tourbillon movement was developed from the bottom up to enhance its three-dimensionality and sculptural beauty while boosting its performance and shock-resistance.
The U50 Diver Tourbillon
Since its earliest days, Angelus has been an integrated manufacture producing exceptional timepieces. Now, Angelus culminates its expertise in producing high-performance haute horlogerie movements into the brand’s first diver’s watch, the U50 Diver Tourbillon.
Design
A first for Angelus, the U50 Diver Tourbillon marks the first time a diver’s watch has ever been made by the brand. What makes the U50 stand out from other diver’s watches is its uniquely structured skeleton movement in a highly legible execution.
Designed to be unique
Crafted in a 45mm-wide lightweight yet robust Titanium case, the U50 Diver Tourbillon features two large screw-down crowns. The two-position crown at 4 o’clock is used for winding and setting the time, while the crown at 2 o’clock is used to rotate the uni-directional 60-minute flange ring, in lieu of the more common exterior rotating 60-minute bezel found in diver’s watches.
Opposite the crowns on the left side of the case at the 9 o’clock position, a helium escape valve is placed to ensure the watch’s water-resistance of 300 meters (1’000 feet), even during saturation diving where the watch would be exposed to helium gas that could make its way into the case under pressure.
Instead of a solid dial, the U50 Diver Tourbillon features an open display with a highly contrasting flange ring in blue and yellow lacquer, featuring white Superluminova on the indexes. Matching the legible flange ring, the hands are rhodium plated with blue and yellow lacquer, with Superluminova applied in the middle of the hands.
The result of no less than four years of intensive R&D, the U50 Diver Tourbillon’s A-300 caliber was designed as a skeleton from the ground up rather then simply being a cut-out version of an existing movement. Much reduced in weight, it has maximum rigidity from its beam- type bridges and the fact that all the movement’s main elements, such as the wheels and barrel, are firmly secured between two plates. This design replaces the conventional main plate and bridges construction and massively increases the mechanical resistance of the movement. The watch’s rigidity is further enhanced by the Angelus in-house six-spoke design, which reinforces the wheel train and protects the skeletonized ratchet and barrel.
Calibre A-300
The design is highly complex and features a variety of curves and lines combined with alternating polished and satin-finished surfaces and a see-through back.
Calibre A-300
With its core functions – hours, minutes, small seconds and one-minute flying tourbillon – the A-300 caliber has 23 jewels, a Swiss lever escapement and measures just 4.3 millimetres in thickness and 32.8 millimetres in diameter. The 4 Hz / 28,800 vph frequency is a guarantee for high performance and precision.
In-depth
This impressive timepiece is secured to the wearer’s wrist by a black rubber strap bearing a three-dimensional motif and Angelus logo and fastened by a titanium pin buckle. Torrent microsoft office 2007 enterprise edition free download.
Even though the A-300 caliber in the U50 Diver Tourbillon is intended as a high-performance movement ready to take on more extreme situations, the ultra-slim movement has painstakingly executed contemporary haute horlogerie finishing with snailed black ADLC coating and chamfered edges. The design is enhanced by a skeletonized ratchet and barrel in the exclusive Angelus six-spoke design.
Reference
Functions
Central hours, minutes and small seconds, one-minute flying tourbillon
Calibre
Angelus A-300, mechanical hand-winding tourbillon movement
Jewels: | 23 |
Diameter: | 32.8 mm |
Height: | 4.30 mm |
Power reserve: | 60h |
Frequency: | 4 Hz / 28,800 vph |
Main plate: | Snailed with chamfered edges, black ADLC coated |
Upper bridge: | Snailed with chamfered edges, black ADLC coated |
Gear train | Wheels with exclusive Angelus six-spoke design to maximize rigidity |
Tourbillon cage: | Mirror-polished with chamfered and polished edges |
Case
Material: | Grade 5 titanium |
Diameter: | 45.0 mm |
Thickness: | 12.47 mm |
Crystals: | Box sapphire crystal with anti-reflective coating |
Back: | Sapphire |
Dial
Chapter ring: | Dial with seconds counter, flange with index and minutery. |
Hands: | Blue and yellow with white Superluminova |
Strap
Strap: | Black rubber, with 3D motif, Angelus logo and titanium pin buckle |
Buckle: | Titanium pin-buckle |
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