Head-to-Head Comparison

Mido Ocean Star GMT vs Tissot Gentleman Powermatic 80 Silicium

Mido's diver meets Tissot's dress watch

Quick Verdict

The Tissot Gentleman Powermatic 80 Silicium (~$950) delivers ETA-Based Automatic with Silicon Hairspring technology at $460 less than the Mido Ocean Star GMT (~$1,410). The Ocean Star GMT justifies its premium with Swiss Made heritage and Automatic Caliber 80 (Base ETA C07.661). Both represent excellent choices in the luxury watch category.

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Mido Ocean Star GMT

Mido

Ocean Star GMT

~$1,410

Tissot Gentleman Powermatic 80 Silicium

Tissot

Gentleman Powermatic 80 Silicium

~$950

Specifications Compared

FeatureMido Ocean Star GMTTissot Gentleman Powermatic 80 Silicium
Price~$1,410~$950
Case Size44mm40mm
MovementAutomatic Caliber 80 (Base ETA C07.661)Powermatic 80.811 (Silicon Hairspring)
Caliber TypeAutomatic (ETA C07.661 base)ETA-Based Automatic with Silicon Hairspring
Power Reserve80 Hours80 Hours
Water Resistance200m (20 ATM)100m (10 ATM)
CrystalSapphire with Double-sided ARSapphire Crystal
Case MaterialStainless SteelStainless Steel
OriginSwiss MadeSwiss Made (Swatch Group)

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Mido's design language vs Tissot's approach

⚙️

Movement & Performance

Edge: Draw

Automatic Caliber 80 (Base ETA C07.661) vs Powermatic 80.811 (Silicon Hairspring)

📏

Wearability & Fit

Edge: Tissot

44mm vs 40mm — different wrist presence

💰

Value & Cost of Ownership

Edge: Tissot

Tissot is $460 more affordable

💧

Water Resistance

Edge: Mido

200m (20 ATM) vs 100m (10 ATM)

Our Verdict

Mido

Ocean Star GMT

Choose the Mido Ocean Star GMT if you prioritize Automatic (ETA C07.661 base) engineering, Swiss Made craftsmanship, and 200m (20 ATM) water resistance. At ~$1,410, it delivers Automatic Caliber 80 (Base ETA C07.661) with 80 Hours power reserve.

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Tissot

Gentleman Powermatic 80 Silicium

Choose the Tissot Gentleman Powermatic 80 Silicium if you value ETA-Based Automatic with Silicon Hairspring technology, Swiss Made (Swatch Group) heritage, and 40mm proportions. At ~$950, the Powermatic 80.811 (Silicon Hairspring) with 80 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Mido Ocean Star GMT and Tissot Gentleman Powermatic 80 Silicium represent two distinct approaches to fine watchmaking — the Mido bringing Swiss Made tradition while Tissot delivers Swiss Made (Swatch Group) engineering.

Frequently Asked Questions