The Orient Kamasu RA-AA0821S19B (also known as Mako III) is an automatic diver-style watch with a silver sunburst dial, sapphire crystal, and 200 m water resistance. It is one of the strongest value divers Orient has produced for everyday wear and water sports.
If you want a mechanical dive watch that is tough enough for the pool or weekend trips without overspending, the Kamasu delivers the essentials: in-house automatic movement, screw-down crown, unidirectional bezel, and a stainless steel bracelet.
Why the RA-AA0821S19B works
- Caliber F6922 — Orient in-house automatic with hand-winding, hacking seconds, day-date, 22 jewels, and about 40 hours of power reserve.
- Sapphire crystal — scratch-resistant glass that holds up better than mineral crystal on daily divers in this price band.
- Real dive-style case — approximately 41.8 mm stainless steel case, around 13 mm thick, 22 mm lug width, screw-down crown, and 200 m water resistance.
- Silver dial clarity — sunburst silver/ivory dial with lume on hands and markers for low-light readability.
- Complete tool package — unidirectional bezel, day and date at 3 o’clock, solid case back, and steel bracelet.
Who it suits
First serious automatic divers, Orient fans stepping up from fashion watches, and Australian buyers who want a sapphire-crystal 200 m diver with authentic stock and Sydney dispatch.
Specifications
- Brand: Orient
- Collection: Kamasu / Mako III
- Reference / SKU: RA-AA0821S19B
- Movement: Orient Caliber F6922 automatic (hand-winding and hacking)
- Jewels: 22
- Power reserve: approx. 40 hours
- Frequency: 21,600 bph (3 Hz)
- Case: stainless steel, approx. 41.8 mm diameter, approx. 12.8–13 mm thickness
- Lug-to-lug: approx. 46.8 mm
- Lug width: 22 mm
- Crystal: sapphire
- Dial: silver / ivory sunburst with luminous hands and markers
- Bezel: unidirectional rotating dive bezel
- Functions: hours, minutes, seconds, day, date
- Crown: screw-down
- Bracelet: stainless steel
- Water resistance: 20 ATM / 200 metres
Note: some listings round the case diameter to 42 mm. Official Orient specifications for the Kamasu / Mako III family are typically stated around 41.8 mm.
Buying from Chronospride
Authentic Orient stock, inspected before dispatch from Sydney. Free shipping Australia-wide on eligible orders. Covered by Chronospride purchase support as published on our store policies — not manufacturer warranty claims.
What movement does the Orient Kamasu RA-AA0821S19B use?
Orient’s in-house F6922 automatic. It self-winds, can be hand-wound, hacks (stops the seconds hand for precise setting), and offers roughly 40 hours of reserve with day-date display.
What is the water resistance of the Orient Kamasu?
200 metres (20 ATM). Suitable for swimming and recreational surface water sports when the crown is properly screwed down. Always follow common sense for mechanical divers and service seals as needed.
Is the Orient Kamasu the same as the Mako III?
Yes. “Kamasu” and “Mako III” refer to the same generation of Orient diver-style watches sold under different regional naming. RA-AA0821S19B is the silver dial steel bracelet configuration.
Does the RA-AA0821S19B have a sapphire crystal?
Yes. Sapphire crystal is a major reason this reference remains popular against mineral-crystal divers at a similar price.
Is the Orient Kamasu suitable for everyday wear?
Yes. The ~41.8 mm case, 22 mm lug width, and balanced thickness make it a practical daily diver. The silver dial is less formal than black tool dials but still works with casual and smart-casual outfits.
Where can I buy the Orient Kamasu RA-AA0821S19B in Australia?
At Chronospride. We stock authentic pieces, inspect them before dispatch, and ship from Sydney with free shipping Australia-wide on eligible orders.
| Brand | Orient |
|---|---|
| Gender | Men's |
| MPN | RA-AA0821S19B |
| Band-Colour | Silver |
| Band-Material | Stainless Steel |
| Band-Width | 22mm |
| Case-Colour | Silver |
| Case-Material | Stainless Steel |
| Case-Size | 42mm |
| Face-Colour | Silver |
| Glass | Sapphire Glass |
| Movement | Automatic |
| Watch-Shape | Round |
| Water-Resistance-Rating | 200M |
| Calibre | F6922 |
| EAN | 4942715029043 |
| Jewels | 22 |
| Power reserve | 40 hours |
| UPC | 4942715029043 |















