Head-to-Head Comparison

Citizen Promaster Sea Eco-Drive Diver vs Orient Kamasu Automatic Diver

Two divers compared — ~$290 vs ~$345

Quick Verdict

The Citizen Promaster Sea Eco-Drive Diver (~$290) offers Citizen Eco-Drive (Solar Quartz) precision at $55 less than the Orient Kamasu Automatic Diver (~$345). The Kamasu Automatic Diver counters with Made in Japan craftsmanship and 200m (20 ATM) water resistance. Both are exceptional divers for their respective price points.

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Citizen Promaster Sea Eco-Drive Diver

Citizen

Promaster Sea Eco-Drive Diver

~$290

Orient Kamasu Automatic Diver

Orient

Kamasu Automatic Diver

~$345

Specifications Compared

FeatureCitizen Promaster Sea Eco-Drive DiverOrient Kamasu Automatic Diver
Price~$290~$345
Case Size44mm41.8mm
MovementEco-Drive Caliber E168Automatic Caliber F6922
Caliber TypeCitizen Eco-Drive (Solar Quartz)Orient In-House Automatic
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 41.8mm — different wrist presence

💰

Value & Cost of Ownership

Edge: Citizen

Citizen is $55 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.

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Orient

Kamasu Automatic Diver

Choose the Orient Kamasu Automatic Diver if you value Orient In-House Automatic technology, Made in Japan heritage, and 41.8mm proportions. At ~$345, the Automatic Caliber F6922 with 40 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Citizen Promaster Sea Eco-Drive Diver and Orient Kamasu Automatic Diver 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