Head-to-Head Comparison

Updated September 5, 2026

Casio MTP-S120L Solar Field vs Tissot Chemin des Tourelles Powermatic 80

Casio's field watch meets Tissot's dress watch

Quick Verdict

The Casio MTP-S120L Solar Field ($100–$150) offers Casio Tough Solar Quartz precision in the tier below the Tissot Chemin des Tourelles Powermatic 80 ($500–$1,000). The MTP-S120L Solar Field measures 42mm (49 x 42 x 10.9mm) and is rated 100m (10 ATM). The Chemin des Tourelles Powermatic 80 counters with Swiss Made craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective tiers.

CasioMTP-S120L Solar Field$100–$150 Check price View the dossier

Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.

Casio

MTP-S120L Solar Field

$100–$150

Check Price Full Review

Tissot

Chemin des Tourelles Powermatic 80

$500–$1,000

View the dossier Full Review

Specifications Compared

Feature	Casio MTP-S120L Solar Field	Tissot Chemin des Tourelles Powermatic 80
Price	$100–$150	$500–$1,000
Case Size	42mm (49 x 42 x 10.9mm)	42.0mm
Movement	Solar-Powered Quartz	Automatic Powermatic 80 (Caliber 80.111)
Caliber Type	Casio Tough Solar Quartz	ETA/Tissot Automatic
Power Reserve	Months on a full solar charge; no battery replacement	80 Hours
Water Resistance	100m (10 ATM)	50m (5 ATM)
Crystal	Mineral Crystal	Sapphire Crystal
Case Material	Stainless Steel	Stainless Steel
Origin	Casio (Japan)	Swiss Made

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Casio's design language vs Tissot's approach

The Casio MTP-S120L Solar Field features a Stainless Steel case at 42mm (49 x 42 x 10.9mm) with Mineral Crystal protection. The Tissot Chemin des Tourelles Powermatic 80 offers Stainless Steel construction at 42.0mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Tissot

Solar-Powered Quartz vs Automatic Powermatic 80 (Caliber 80.111)

The MTP-S120L Solar Field runs the Solar-Powered Quartz (Casio Tough Solar Quartz, Months on a full solar charge; no battery replacement power reserve) at standard frequency. The Chemin des Tourelles Powermatic 80 uses the Automatic Powermatic 80 (Caliber 80.111) (ETA/Tissot Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). The Chemin des Tourelles Powermatic 80 offers a longer power reserve.

📏

Wearability & Fit

Edge: Draw

42mm (49 x 42 x 10.9mm) vs 42.0mm — different wrist presence

At 42mm (49 x 42 x 10.9mm), the MTP-S120L Solar Field is similarly sized compared to the Chemin des Tourelles Powermatic 80 at 42.0mm. Water resistance differs: 100m (10 ATM) vs 50m (5 ATM).

💰

Value & Cost of Ownership

Edge: Casio

Casio sits in the lower tier

The Casio MTP-S120L Solar Field sits at $100–$150 and the Tissot Chemin des Tourelles Powermatic 80 at $500–$1,000. On the specs that outlast any price: the MTP-S120L Solar Field uses Mineral Crystal with Months on a full solar charge; no battery replacement, against Sapphire Crystal and 80 Hours on the Chemin des Tourelles Powermatic 80. Service intervals are typically 5-7 years for both.

💧

Water Resistance

Edge: Casio

100m (10 ATM) vs 50m (5 ATM)

The MTP-S120L Solar Field is rated to 100m (10 ATM) while the Chemin des Tourelles Powermatic 80 handles 50m (5 ATM). The MTP-S120L Solar Field is better suited for water activities.

Our Verdict

Casio

MTP-S120L Solar Field

Choose the Casio MTP-S120L Solar Field if you prioritize Casio Tough Solar Quartz engineering, Casio (Japan) craftsmanship, and 100m (10 ATM) water resistance. At $100–$150, it delivers Solar-Powered Quartz with Months on a full solar charge; no battery replacement power reserve.

Check Price on Amazon

Tissot

Chemin des Tourelles Powermatic 80

Choose the Tissot Chemin des Tourelles Powermatic 80 if you value ETA/Tissot Automatic technology, Swiss Made heritage, and 42.0mm proportions. At $500–$1,000, the Automatic Powermatic 80 (Caliber 80.111) with 80 Hours power reserve makes it a compelling choice.

View the dossier

Try Prime Free — Free Shipping on Both Watches Students & 18–24: start Prime for Young Adults free

The Bottom Line

The Casio MTP-S120L Solar Field and Tissot Chemin des Tourelles Powermatic 80 represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Tissot delivers Swiss Made engineering.

Frequently Asked Questions

The Tissot Chemin des Tourelles Powermatic 80 is the better buy if you want a mechanical movement; the Casio MTP-S120L Solar Field is the better buy if you want solar power and quartz accuracy with no servicing. For water, the Casio MTP-S120L Solar Field is rated 100 m against 50 m, which is the difference between swimming and diving on one side and splashes on the other. On price, the Casio MTP-S120L Solar Field sits a band lower ($100–$150 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 Casio MTP-S120L Solar Field offers better upfront value, sitting a tier lower at $100–$150. However, the Tissot Chemin des Tourelles Powermatic 80 may justify its premium with superior finishing, heritage, or resale value.

Both are suitable for daily wear. The MTP-S120L Solar Field at 42mm (49 x 42 x 10.9mm) with 100m (10 ATM) water resistance handles everyday situations. The Chemin des Tourelles Powermatic 80 at 42.0mm with 50m (5 ATM) is similarly capable. The MTP-S120L Solar Field uses Mineral Crystal while the Chemin des Tourelles Powermatic 80 uses Sapphire Crystal. Sapphire resists scratches noticeably better than mineral glass.

More Comparisons

Tag Heuer Carrera Chronograph vs Casio MTP-S120L Solar Field

Tag Heuer's chronograph meets Casio's field watch

Tag Heuer Carrera Chronograph vs Tissot Chemin des Tourelles Powermatic 80

Tag Heuer's chronograph meets Tissot's dress watch

Tissot PRX Powermatic 80 vs Casio MTP-S120L Solar Field

Tissot's timepiece meets Casio's field watch

Explore These Watches

Casio MTP-S120L Solar Field — Full Review Tissot Chemin des Tourelles Powermatic 80 — Full Review Browse All Guides

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.