Citizen Promaster Aqualand BN2038 vs Orient Mako 40 Green
Two divers compared — $500–$1,000 vs $250–$500
Quick Verdict
The Orient Mako 40 Green ($250–$500) delivers Orient In-House Automatic (Hacking, Hand-Winding) technology in the tier below the Citizen Promaster Aqualand BN2038 ($500–$1,000). The Mako 40 Green measures 40mm and is rated 200m (20 ATM). The Promaster Aqualand BN2038 justifies its premium with Citizen (Japan) heritage and Eco-Drive. Both represent excellent choices in the diver category.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Citizen Promaster Aqualand BN2038 | Orient Mako 40 Green |
|---|---|---|
| Price | $500–$1,000 | $250–$500 |
| Case Size | 46mm | 40mm |
| Movement | Eco-Drive | Automatic Caliber F6722 |
| Caliber Type | Citizen Eco-Drive | Orient In-House Automatic (Hacking, Hand-Winding) |
| Power Reserve | — | 40 Hours |
| Water Resistance | 200m Diver | 200m (20 ATM) |
| Crystal | — | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Citizen (Japan) | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Orient's approach
The Citizen Promaster Aqualand BN2038 features a Stainless Steel case at 46mm with 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
Eco-Drive vs Automatic Caliber F6722
The Promaster Aqualand BN2038 runs the Eco-Drive (Citizen Eco-Drive, standard power reserve) at standard 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). The Mako 40 Green offers a longer power reserve.
Wearability & Fit
46mm vs 40mm — different wrist presence
At 46mm, the Promaster Aqualand BN2038 has a bolder wrist presence compared to the Mako 40 Green at 40mm. Water resistance differs: 200m Diver vs 200m (20 ATM).
Value & Cost of Ownership
Orient sits in the lower tier
The Citizen Promaster Aqualand BN2038 sits at $500–$1,000 and the Orient Mako 40 Green at $250–$500. On the specs that outlast any price: the Promaster Aqualand BN2038 uses a hardened crystal with a standard reserve, against Sapphire Crystal and 40 Hours on the Mako 40 Green. Service intervals are typically 5-7 years for both.
Water Resistance
200m Diver vs 200m (20 ATM)
The Promaster Aqualand BN2038 is rated to 200m Diver while the Mako 40 Green handles 200m (20 ATM). Both offer identical water resistance ratings.
Our Verdict
Citizen
Promaster Aqualand BN2038
Choose the Citizen Promaster Aqualand BN2038 if you prioritize Citizen Eco-Drive engineering, Citizen (Japan) craftsmanship, and 200m Diver water resistance. At $500–$1,000, it delivers Eco-Drive with solid 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 Citizen Promaster Aqualand BN2038 and Orient Mako 40 Green represent two distinct approaches to the diver category — the Citizen bringing Citizen (Japan) tradition while Orient delivers Made in Japan engineering.
Frequently Asked Questions
More Comparisons
Tag Heuer Carrera Chronograph vs Citizen Promaster Aqualand BN2038
Tag Heuer's chronograph meets Citizen's diver
Tag Heuer Carrera Chronograph vs Orient Mako 40 Green
Tag Heuer's chronograph meets Orient's diver
Tissot PRX Powermatic 80 vs Citizen Promaster Aqualand BN2038
Tissot's timepiece meets Citizen'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.

