Quick take: The Orient Kamasu (often sold as Mako III outside some markets) remains one of the best value automatic divers you can buy under serious money: in-house F6922, sapphire crystal, about 41.8mm steel case, day-date and 200m water resistance. If you want a daily sports watch that beats many Seiko 5 Sports models on hard specs, start with live Orient divers such as the green-gradient RA-AA0811E19B.
Value-for-money dive watches get oversold constantly. The Kamasu is one of the few that still earns the claim when you line up crystal, water resistance and movement features against the price.
This is a practical Australian buying guide: what the Kamasu is, which specs actually matter on the wrist, how it compares with Seiko alternatives, and which Chronospride stock is worth opening first.
What the Orient Kamasu is
Orient’s Kamasu is a mid-size automatic diver-style sports watch from the Sports / Mako family. In some regions you will see the same architecture labelled Mako III. Mentally treat “Kamasu” and “Mako III sapphire divers” as the same shopping bucket unless a product page clearly says otherwise.
It sits above older mineral-crystal Makos and below boutique limited editions. The point of the watch is simple: real dive-watch bones without jumping into luxury pricing.
Key Orient Kamasu specifications
| Spec | Typical Kamasu / Mako III sapphire |
|---|---|
| Case | About 41.8–41.9mm stainless steel |
| Thickness | Around 13mm class (varies slightly by reference) |
| Lug width | 22mm |
| Crystal | Sapphire |
| Water resistance | 200 metres |
| Movement | In-house Orient F6922 automatic |
| Movement features | Hand-winding, hacking seconds, day + date |
| Power reserve | About 40 hours |
| Bezel | Unidirectional rotating dive bezel |
Those numbers are why the watch keeps winning comparison videos. Sapphire is uncommon at this price from bigger Japanese brands. Hand-winding and hacking make daily ownership less fussy than older non-hacking automatics. 200m water resistance is the rating you want if the watch will see beach days, surfing shallows or proper swimming — not just hand washing.
Always confirm the exact reference on the product page. Colourways and limited runs share the architecture but can differ in dial finish, bezel insert and strap package.
Why it is still strong value
- Crystal: Sapphire resists desk-dive scratches better than Hardlex on many rival sports watches.
- Movement: F6922 is Orient’s own calibre with hand-wind and stop-seconds — practical features, not brochure fluff.
- WR: 200m is a genuine step up from many 100m “diver look” Seiko 5 Sports pieces.
- Wear size: Near-42mm with a usable lug-to-lug keeps it in everyday territory for medium wrists.
- Dial range: Black, blue, red, grey, silver and gradient greens mean you can pick personality without leaving the family.
What it will not do: match Seiko’s best LumiBrite, or give you the same endless Prospex catalogue depth. If lume and brand recognition matter more than sapphire and WR, Seiko can still win.
Kamasu vs common alternatives
| If you want… | Lean Kamasu when… | Look elsewhere when… |
|---|---|---|
| Budget dive specs | Sapphire + 200m + F6922 matter most | You need ISO professional dive paperwork for work |
| Seiko alternative | You prefer hard specs over logo and community size | You want LumiBrite and huge model variety — see Seiko |
| Smaller modern Orient diver | Classic ~42mm Kamasu feels large | Consider Mako 40 pieces such as RA-AC0Q07V10B |
| Dress watch instead | You actually wanted office elegance | Shop Orient Bambino / Classic |
For the broader brand decision, read Orient vs Seiko and Are Orient watches any good?.
Which Kamasu style to buy
Green gradient daily driver
The RA-AA0811E19B green-gradient dial is one of the most distinctive live Kamasu colourways we stock — still sapphire, F6922 and 200m.
Shop RA-AA0811E19BRed dial statement
Want the watch to read clearly across a room? Red Kamasu references such as RA-AA0820R19B keep the same useful architecture with louder presence.
Shop red KamasuClean silver / grey
Silver and grey dials age more quietly with steel bracelets and work better if this will be your only watch.
Shop silver KamasuSmaller Mako 40
Prefer closer to 40mm with a modern Orient diver package? Look at the Mako 40 line instead of forcing a classic Kamasu size.
Shop Mako 40 purpleWho should buy a Kamasu right now
Buy it if you want one automatic sports watch for commuting, weekends and water without fussing over mineral crystal scratches. Skip it if you need a slim dress profile, or if you already decided you want a full Seiko Prospex Sumo/Turtle presence on the wrist.
Stock rotates. The right move is to open the live diver category, filter by what is in stock, and pick the dial you will still like in two years — not the colour that looked best in a three-year-old blog photo.
Buying with confidence
Authentic stock, inspected before dispatch. Free shipping Australia-wide on eligible orders. Covered by Chronospride’s 12 months warranty, handled by our team. See our authenticity and warranty page.
What is the Orient Kamasu?
The Orient Kamasu is a sapphire-crystal automatic diver-style sports watch, often sold as Mako III in some markets. Typical specs include an in-house F6922 movement, roughly 41.8mm steel case, day-date and 200m water resistance.
What movement is in the Orient Kamasu?
Most modern Kamasu / Mako III sapphire models use Orient’s in-house F6922 automatic calibre with hand-winding, hacking seconds, day and date, and about a 40-hour power reserve.
Is the Orient Kamasu better value than a Seiko 5 Sports diver?
On hard specs — sapphire crystal and 200m water resistance — the Kamasu often wins at a similar price. Seiko may still win on lume, model variety and brand recognition. Choose based on what you prioritise.
Is the Orient Kamasu good for diving?
It is rated to 200 metres and suited to swimming and recreational water use when the crown is secured and the watch is in good condition. It is not a substitute for professional dive computers or certified tool watches required for commercial diving.
Where can I buy an Orient Kamasu in Australia?
Chronospride stocks authentic Orient divers for Australian delivery. Orders are inspected before dispatch, with free shipping on eligible orders and a 12-month Chronospride warranty handled by our team.

