Head-to-Head Comparison

Citizen Promaster Sea Eco-Drive Diver vs Hamilton Intra-Matic Auto Chronograph

Citizen's diver meets Hamilton's chronograph

Quick Verdict

The Citizen Promaster Sea Eco-Drive Diver (~$290) offers Citizen Eco-Drive (Solar Quartz) precision at $2,305 less than the Hamilton Intra-Matic Auto Chronograph (~$2,595). The Intra-Matic Auto Chronograph counters with Swiss Made craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective price points.

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Citizen Promaster Sea Eco-Drive Diver

Citizen

Promaster Sea Eco-Drive Diver

~$290

Hamilton Intra-Matic Auto Chronograph

Hamilton

Intra-Matic Auto Chronograph

~$2,595

Specifications Compared

FeatureCitizen Promaster Sea Eco-Drive DiverHamilton Intra-Matic Auto Chronograph
Price~$290~$2,595
Case Size44mm40mm
MovementEco-Drive Caliber E168Automatic H-31
Caliber TypeCitizen Eco-Drive (Solar Quartz)Valjoux-Based Automatic Chronograph
Power Reserve60 Hours
Water Resistance200m (20 ATM) ISO 6425100m (10 ATM)
CrystalMineral CrystalSapphire (Domed)
Case MaterialStainless SteelStainless Steel
OriginMade in JapanSwiss Made

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Citizen's design language vs Hamilton's approach

⚙️

Movement & Performance

Edge: Hamilton

Eco-Drive Caliber E168 vs Automatic H-31

📏

Wearability & Fit

Edge: Hamilton

44mm vs 40mm — different wrist presence

💰

Value & Cost of Ownership

Edge: Citizen

Citizen is $2,305 more affordable

💧

Water Resistance

Edge: Citizen

200m (20 ATM) ISO 6425 vs 100m (10 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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Hamilton

Intra-Matic Auto Chronograph

Choose the Hamilton Intra-Matic Auto Chronograph if you value Valjoux-Based Automatic Chronograph technology, Swiss Made heritage, and 40mm proportions. At ~$2,595, the Automatic H-31 with 60 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Citizen Promaster Sea Eco-Drive Diver and Hamilton Intra-Matic Auto Chronograph represent two distinct approaches to fine watchmaking — the Citizen bringing Made in Japan tradition while Hamilton delivers Swiss Made engineering.

Frequently Asked Questions