Orient Kamasu RA-AA0005B, 42mm, Black Dial, Black Silicone Band
Orient Kamasu, Black Dial Black Silicone Band
The Orient Kamasu offers a strong value proposition with its in-house automatic movement and sapphire crystal. Its 200-meter water resistance makes it a capable daily diver.
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About this item
- Orient 21 Jewels self-winding automatic movement.
- Durable stainless steel case with black silicone strap.
- Scratch-resistant sapphire crystal and day/date function.
- Uni-directional rotating bezel with luminous hands and markers.
- 41.8mm case diameter and 12.8mm thickness.
- 200m water resistance with screw-down crown and case back.
Top Highlights
- Brand
- Orient
- Model Name
- Kamasu
- Model Number
- RA-AA0005B
- Department
- Men
- Item Type
- Dive Watch
- Manufacturer
- Orient
- Country of Origin
- Japan
- First Available
- August 26, 2017
- Release Year
- 2017
Features & Specs
- Display
- Analog
- Movement Type
- Japanese automatic
- Caliber
- F6922
- Power Source
- Automatic
- Additional Features
- Screw Down crown, Uni-directional Rotating bezel
- Complications
- Date
- Battery
- No battery (automatic)
- Strap Type
- Two Piece Strap
- Case Material
- Stainless steel
- Case Size
- 41.8 mm
- Case Thickness
- 12.8 mm
- Lug Width
- 22.0 mm
- Weight
- 294.84 g
- Water Resistance
- 200 m
- Sport Type
- Walking
- Strap
- Silicone
- Clasp
- Push Button Foldover Clasp With Safety
- Closure Type
- Buckle
- Embellishment
- Crystal
- Crystal
- Synthetic Sapphire
- Bezel
- Uni-directional rotating
Style
- Style Name
- Watches
- Dial Shape
- Round
- Dial Color
- Black
- Band Color
- Black
- Theme
- Sports
- Face Style
- Dive Watch with a uni-directional rotating bezel and luminous hands
- Dial Markers
- Luminous
Description
The Orient F6922 calibre provides the foundation for the Kamasu, offering hacking, hand-winding, and a day-date complication. This in-house automatic movement is a significant feature at this price point, delivering reliable performance for daily wear. Its robust construction is housed within a well-proportioned stainless steel case.
Measuring just under 42mm, the case presents a modern wrist presence without feeling oversized. The 120-click unidirectional bezel operates with firm precision, framing a deep black dial protected by a synthetic sapphire crystal. Legibility is excellent, with applied indices and hands treated with a generous application of lume for low-light visibility.
A screw-down crown helps secure the watch for up to 200 meters of water resistance, making it suitable for recreational diving and other water activities. This specific reference comes fitted on a flexible black silicone strap, providing a comfortable and secure fit straight from the box. The standard 22mm lug width also allows for easy customization with other strap options.
Frequently Asked Questions
Can I use the Orient Kamasu RA-AA0005B for serious diving?
The Orient Kamasu RA-AA0005B offers 200 meters of water resistance, making it suitable for recreational diving, snorkeling, and swimming. While highly capable, it does not specify ISO 6425 certification for professional saturation diving.
What type of movement powers this Orient Kamasu watch?
This Orient Kamasu watch is powered by an in-house 21-jewel self-winding automatic movement. This mechanical calibre harnesses the motion of your wrist to keep accurate time, eliminating the need for a battery.
Is the sapphire crystal on the Kamasu RA-AA0005B truly scratch-resistant?
Yes, the Orient Kamasu RA-AA0005B features a sapphire crystal, which is highly resistant to scratches and impacts. This provides excellent durability and maintains clear visibility of the dial over time, even with daily use.
What wrist sizes are suitable for the 41.8mm case of this dive watch?
The 41.8mm case diameter of the Orient Kamasu RA-AA0005B generally fits a wide range of wrist sizes, typically from 6.5 to 8 inches (16.5 to 20 cm) comfortably. The silicone strap also offers flexibility for a snug fit.
How often should I service my Orient Kamasu automatic watch?
For optimal performance, an automatic watch like the Orient Kamasu RA-AA0005B typically benefits from a service every 3 to 5 years. This ensures the movement is lubricated and seals are checked for water resistance.
Does the Kamasu RA-AA0005B have good visibility in low light?
Yes, the Orient Kamasu RA-AA0005B is equipped with luminous hands and markers. This feature ensures excellent readability of the time in dark environments or underwater, which is crucial for a dive watch.
Editor's take
The Orient Kamasu collection is a benchmark for accessible mechanical dive watches, and the RA-AA0005B is a core example. It is built for the enthusiast who wants a reliable daily timepiece with legitimate specifications without entering a higher price bracket. The watch's appeal is its straightforward, function-first design, powered by a proven movement.
A key feature is the inclusion of a Synthetic Sapphire crystal, offering superior scratch resistance over the mineral glass often found at this tier. This is paired with a capable in-house F6922 automatic calibre, which includes both hacking and hand-winding. The build quality of the Stainless Steel case and the action of the bezel feel solid and well-executed.
While the included Silicone strap is functional and water-ready, its feel may not satisfy wearers accustomed to a steel bracelet. The material is practical for diving but can lack the versatility for more formal settings. Some may find an immediate strap change necessary to match the watch head's perceived quality.
For a buyer seeking their first automatic diver or a durable addition to a collection, the Kamasu is an excellent choice. It delivers on the core promises of a dive-style watch: robust water resistance, a legible dial, a durable crystal, and a dependable mechanical heart. It represents one of the most complete packages in its segment.
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