Orient Mako 40 Green vs Tag Heuer Aquaracer Professional 300
Two divers compared — $250–$500 vs $2,500–$5,000
Quick Verdict
The Orient Mako 40 Green ($250–$500) offers Orient In-House Automatic (Hacking, Hand-Winding) precision in the tier below the Tag Heuer Aquaracer Professional 300 ($2,500–$5,000). The Mako 40 Green measures 40mm and is rated 200m (20 ATM). The Aquaracer Professional 300 counters with Swiss Made craftsmanship and 300m (30 ATM) water resistance. Both are exceptional divers for their respective tiers.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Orient Mako 40 Green | Tag Heuer Aquaracer Professional 300 |
|---|---|---|
| Price | $250–$500 | $2,500–$5,000 |
| Case Size | 40mm | 43mm |
| Movement | Automatic Caliber F6722 | Automatic Caliber 5 |
| Caliber Type | Orient In-House Automatic (Hacking, Hand-Winding) | Automatic (ETA 2824-2 / Sellita SW200 base) |
| Power Reserve | 40 Hours | 38 Hours |
| Water Resistance | 200m (20 ATM) | 300m (30 ATM) |
| Crystal | Sapphire Crystal | Sapphire with Anti-Reflective Coating |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Made in Japan | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Orient's design language vs Tag Heuer's approach
The Orient Mako 40 Green features a Stainless Steel case at 40mm with Sapphire Crystal protection. The Tag Heuer Aquaracer Professional 300 offers Stainless Steel construction at 43mm with Sapphire with Anti-Reflective Coating. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Caliber F6722 vs Automatic Caliber 5
The Mako 40 Green runs the Automatic Caliber F6722 (Orient In-House Automatic (Hacking, Hand-Winding), 40 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Aquaracer Professional 300 uses the Automatic Caliber 5 (Automatic (ETA 2824-2 / Sellita SW200 base), 38 Hours reserve) at 28,800 vph (4 Hz). The Mako 40 Green edges ahead on power reserve.
Wearability & Fit
40mm vs 43mm — different wrist presence
At 40mm, the Mako 40 Green wears more compactly on smaller wrists compared to the Aquaracer Professional 300 at 43mm. Water resistance differs: 200m (20 ATM) vs 300m (30 ATM).
Value & Cost of Ownership
Orient sits in the lower tier
The Orient Mako 40 Green sits at $250–$500 and the Tag Heuer Aquaracer Professional 300 at $2,500–$5,000. On the specs that outlast any price: the Mako 40 Green uses Sapphire Crystal with 40 Hours, against Sapphire with Anti-Reflective Coating and 38 Hours on the Aquaracer Professional 300. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 300m (30 ATM)
The Mako 40 Green is rated to 200m (20 ATM) while the Aquaracer Professional 300 handles 300m (30 ATM). The Aquaracer Professional 300 offers superior water resistance.
Our Verdict
Orient
Mako 40 Green
Choose the Orient Mako 40 Green if you prioritize Orient In-House Automatic (Hacking, Hand-Winding) engineering, Made in Japan craftsmanship, and 200m (20 ATM) water resistance. At $250–$500, it delivers Automatic Caliber F6722 with 40 Hours power reserve.
Check Price on AmazonTag Heuer
Aquaracer Professional 300
Choose the Tag Heuer Aquaracer Professional 300 if you value Automatic (ETA 2824-2 / Sellita SW200 base) technology, Swiss Made heritage, and 43mm proportions. At $2,500–$5,000, the Automatic Caliber 5 with 38 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Orient Mako 40 Green and Tag Heuer Aquaracer Professional 300 represent two distinct approaches to the diver category — the Orient bringing Made in Japan tradition while Tag Heuer delivers Swiss Made engineering.
Frequently Asked Questions
More Comparisons
Tag Heuer Carrera Chronograph vs Orient Mako 40 Green
Tag Heuer's chronograph meets Orient's diver
Tag Heuer Carrera Chronograph vs Tag Heuer Aquaracer Professional 300
Tag Heuer's chronograph meets Tag Heuer's diver
Tissot PRX Powermatic 80 vs Orient Mako 40 Green
Tissot's timepiece meets Orient's diver
Explore These Watches
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.