The Orient Mako 40 RA-AC0Q01B30B is Orient’s compact automatic diver with a black dial and stainless steel bracelet. At 39.9 mm it wears smaller than classic Kamasu / Mako III watches, while keeping sapphire crystal, a unidirectional steel bezel, a screw-down crown, and 200 m water resistance.
Inside is Orient’s caliber F6722: automatic winding with hand-winding and hacking, about 40 hours of power reserve, and a date window at 3 o’clock. The black dial and steel bracelet make this the everyday Mako 40 — a practical sports watch for commuting, travel, and swimming without the bulk of a 42 mm tool watch.
Why Choose the Mako 40 RA-AC0Q01B30B
- True compact diver proportions — 39.9 mm case, about 12.8 mm thick, 46.5 mm lug-to-lug, and 20 mm lugs that sit more easily on smaller wrists.
- Black dial, steel bracelet — the most versatile Mako 40 colourway for work, weekend, and water.
- F6722 automatic — hand-wind and hack, date complication, roughly 40-hour power reserve, 22 jewels at 21,600 vph.
- Sapphire crystal — more scratch-resistant than mineral glass on many dress models.
- 200 m water resistance — screw-down crown and unidirectional 120-click steel bezel for swimming and active use (not a substitute for professional dive certification gear).
- 20 mm lugs — easy strap swaps if you later prefer rubber or leather.
Who It Suits
Choose this Mako 40 if you want a Japan-made automatic sports watch closer to 40 mm than the 41.8 mm Kamasu line, with a clean black dial and a steel bracelet. It is a daily driver for commuting, travel, and swimming, and it tucks under a cuff more easily than oversized divers.
Technical Specifications
- Brand / collection: Orient Mako 40 (AC0Q diver line)
- Reference: RA-AC0Q01B30B (also listed as RA-AC0Q01B / RA-AC0Q01B10B)
- Movement: Orient caliber F6722 automatic (hand-winding, hacking)
- Power reserve: Approximately 40 hours
- Jewels / beat rate: 22 jewels, 21,600 vph
- Accuracy (factory): Typically +25/−15 seconds per day (individual watches vary)
- Complications: Hours, minutes, seconds, date
- Case: Stainless steel, 39.9 mm diameter (without crown)
- Thickness: Approximately 12.8 mm
- Lug-to-lug: Approximately 46.5 mm
- Lug width: 20 mm
- Crystal: Sapphire
- Dial: Black, luminous hands and markers, date at 3 o’clock
- Bezel: Stainless steel, unidirectional, 120-click
- Crown: Screw-down
- Case back: Screw-down solid case back
- Bracelet: Stainless steel with foldover clasp and safety
- Water resistance: 200 metres
- Origin: Japan-made Orient automatic
Wearing and Care Notes
Fully screw the crown down before any water exposure. Use the unidirectional bezel by turning it anti-clockwise only for elapsed-time tracking. Hand-wind gently if the watch has stopped after sitting idle. Rinse with fresh water after saltwater use and dry the case and bracelet thoroughly.
Frequently Asked Questions
What movement does the Orient Mako 40 RA-AC0Q01B30B use?
It uses Orient’s in-house caliber F6722 automatic movement with hand-winding, hacking, date, and about 40 hours of power reserve.
What is the water resistance of the RA-AC0Q01B30B?
It is rated to 200 metres with a screw-down crown and unidirectional timing bezel. That supports swimming and active water use; it is not marketed here as ISO professional dive certification equipment.
How big is the Orient Mako 40 case?
Case diameter is 39.9 mm without the crown, thickness about 12.8 mm, lug-to-lug about 46.5 mm, and lug width 20 mm.
Does the black Mako 40 have a sapphire crystal?
Yes. The RA-AC0Q01B30B uses sapphire crystal on the front.
Is the Orient Mako 40 good as an everyday watch?
Yes. The smaller case, automatic movement, steel bracelet, and 200 m rating make it a practical daily sports watch.
How does Mako 40 differ from Orient Kamasu?
Kamasu / Mako III models are typically larger (around 41.8 mm) with the F6922 day-date movement. Mako 40 is closer to 40 mm and uses F6722 with date only.
Where can I buy the Orient Mako 40 RA-AC0Q01B30B in Australia?
When in stock, Chronospride lists this reference for Australian buyers with inspected authentic stock and local dispatch.
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.
| Case-Size | 39.9mm |
|---|---|
| Band-Width | 20mm |
| Lug-Width | 20mm |
| Lug to lug size | 46.5mm |
| Case Thickness | 12.8mm |
| UPC | 4942715031763 |
| GTIN | 4942715031763 |
| EAN | 4942715031763 |
