Head-to-Head Comparison

Citizen Promaster Sea Eco-Drive Diver vs Orient Mako 40 Green

Two divers compared — ~$290 vs ~$260

Quick Verdict

The Orient Mako 40 Green (~$260) delivers Orient In-House Automatic (Hacking, Hand-Winding) technology at $30 less than the Citizen Promaster Sea Eco-Drive Diver (~$290). The Promaster Sea Eco-Drive Diver justifies its premium with Made in Japan heritage and Eco-Drive Caliber E168. 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.

Citizen Promaster Sea Eco-Drive Diver

Citizen

Promaster Sea Eco-Drive Diver

~$290

Orient Mako 40 Green

Orient

Mako 40 Green

~$260

Specifications Compared

FeatureCitizen Promaster Sea Eco-Drive DiverOrient Mako 40 Green
Price~$290~$260
Case Size44mm40mm
MovementEco-Drive Caliber E168Automatic Caliber F6922
Caliber TypeCitizen Eco-Drive (Solar Quartz)Orient In-House Automatic (Hacking, Hand-Winding)
Power Reserve40 Hours
Water Resistance200m (20 ATM) ISO 6425200m (20 ATM)
CrystalMineral CrystalSapphire Crystal
Case MaterialStainless SteelStainless Steel
OriginMade in JapanMade in Japan

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Citizen's design language vs Orient's approach

⚙️

Movement & Performance

Edge: Orient

Eco-Drive Caliber E168 vs Automatic Caliber F6922

📏

Wearability & Fit

Edge: Orient

44mm vs 40mm — different wrist presence

💰

Value & Cost of Ownership

Edge: Orient

Orient is $30 more affordable

💧

Water Resistance

Edge: Draw

200m (20 ATM) ISO 6425 vs 200m (20 ATM)

Our Verdict

Citizen

Promaster Sea Eco-Drive Diver

Choose the Citizen Promaster Sea Eco-Drive Diver if you prioritize Citizen Eco-Drive (Solar Quartz) engineering, Made in Japan craftsmanship, and 200m (20 ATM) ISO 6425 water resistance. At ~$290, it delivers Eco-Drive Caliber E168 with solid power reserve.

Check Price on Amazon

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 ~$260, the Automatic Caliber F6922 with 40 Hours power reserve makes it a compelling choice.

Check Price on Amazon

The Bottom Line

The Citizen Promaster Sea Eco-Drive Diver and Orient Mako 40 Green represent two distinct approaches to the diver category — the Citizen bringing Made in Japan tradition while Orient delivers Made in Japan engineering.

Frequently Asked Questions