Head-to-Head Comparison

Updated

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.

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Citizen Promaster Aqualand BN2038

Citizen

Promaster Aqualand BN2038

$500–$1,000

Orient Mako 40 Green

Orient

Mako 40 Green

$250–$500

Specifications Compared

FeatureCitizen Promaster Aqualand BN2038Orient Mako 40 Green
Price$500–$1,000$250–$500
Case Size46mm40mm
MovementEco-DriveAutomatic Caliber F6722
Caliber TypeCitizen Eco-DriveOrient In-House Automatic (Hacking, Hand-Winding)
Power Reserve—40 Hours
Water Resistance200m Diver200m (20 ATM)
Crystal—Sapphire Crystal
Case MaterialStainless SteelStainless Steel
OriginCitizen (Japan)Made in Japan

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

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.

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Movement & Performance

Edge: Orient

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.

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Wearability & Fit

Edge: Orient

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).

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Value & Cost of Ownership

Edge: Orient

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.

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Water Resistance

Edge: Draw

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.

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Orient

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.

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The 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

The Orient Mako 40 Green is the better buy if you want a mechanical movement; the Citizen Promaster Aqualand BN2038 is the better buy if you want solar power and quartz accuracy with no servicing. On price, the Orient Mako 40 Green sits a band lower ($250–$500 against $500–$1,000), so it is the cheaper way into the category. Neither is better at everything; the spec table above shows movement, case size, water resistance and crystal side by side so you can weigh what matters to you. We do not test units, so this is the makers' data, not a bench result.
The Orient Mako 40 Green offers better upfront value, sitting a tier lower at $250–$500. However, the Citizen Promaster Aqualand BN2038 may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Promaster Aqualand BN2038 at 46mm with 200m Diver water resistance handles everyday situations. The Mako 40 Green at 40mm with 200m (20 ATM) is similarly capable. Check each model's crystal material if scratch resistance matters to you.

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.