Orient Kamasu Automatic Diver vs Orient Mako 40 Green
Two divers compared — $250–$500 vs $250–$500
Quick Verdict
The Orient Kamasu Automatic Diver ($250–$500) and Orient Mako 40 Green ($250–$500) are closely matched divers at similar price points. The Kamasu Automatic Diver emphasizes Orient In-House Automatic engineering while the Mako 40 Green focuses on Made in Japan craftsmanship.
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Specifications Compared
| Feature | Orient Kamasu Automatic Diver | Orient Mako 40 Green |
|---|---|---|
| Price | $250–$500 | $250–$500 |
| Case Size | 41.8mm | 40mm |
| Movement | Automatic Caliber F6922 | Automatic Caliber F6722 |
| Caliber Type | Orient In-House Automatic | Orient In-House Automatic (Hacking, Hand-Winding) |
| Power Reserve | 40 Hours | 40 Hours |
| Water Resistance | 200m (20 ATM) | 200m (20 ATM) |
| Crystal | Sapphire Crystal | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Made in Japan | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Orient's design language vs Orient's approach
The Orient Kamasu Automatic Diver features a Stainless Steel case at 41.8mm with Sapphire Crystal protection. The Orient Mako 40 Green offers Stainless Steel construction at 40mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Caliber F6922 vs Automatic Caliber F6722
The Kamasu Automatic Diver runs the Automatic Caliber F6922 (Orient In-House Automatic, 40 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Mako 40 Green uses the Automatic Caliber F6722 (Orient In-House Automatic (Hacking, Hand-Winding), 40 Hours reserve) at 21,600 vph (3 Hz). Power reserves are closely matched.
Wearability & Fit
41.8mm vs 40mm — different wrist presence
At 41.8mm, the Kamasu Automatic Diver has a bolder wrist presence compared to the Mako 40 Green at 40mm. Water resistance differs: 200m (20 ATM) vs 200m (20 ATM).
Value & Cost of Ownership
Same tier — different value propositions
The Orient Kamasu Automatic Diver sits at $250–$500 and the Orient Mako 40 Green at $250–$500. On the specs that outlast any price: the Kamasu Automatic Diver uses Sapphire Crystal with 40 Hours, against Sapphire Crystal and 40 Hours on the Mako 40 Green. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 200m (20 ATM)
The Kamasu Automatic Diver is rated to 200m (20 ATM) while the Mako 40 Green handles 200m (20 ATM). Both offer identical water resistance ratings.
Our Verdict
Orient
Kamasu Automatic Diver
Choose the Orient Kamasu Automatic Diver if you prioritize Orient In-House Automatic engineering, Made in Japan craftsmanship, and 200m (20 ATM) water resistance. At $250–$500, it delivers Automatic Caliber F6922 with 40 Hours power reserve.
Check Price on AmazonOrient
Mako 40 Green
Choose the Orient Mako 40 Green if you value Orient In-House Automatic (Hacking, Hand-Winding) technology, Made in Japan heritage, and 40mm proportions. At $250–$500, the Automatic Caliber F6722 with 40 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Orient Kamasu Automatic Diver and Orient Mako 40 Green represent two distinct approaches to the diver category — the Orient bringing Made in Japan tradition while Orient delivers Made in Japan engineering.
Frequently Asked Questions
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How This Page Was Made
Our comparisons are generated from a hand-maintained specification database and reviewed under our editorial standards. We use AI tools to assemble pages from that data. We don’t invent specs: every number traces back to the database, and when we correct an entry, the fix is applied site-wide. As an Amazon Associate, The Horologist earns from qualifying purchases.

