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1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsThe Tissot Chemin des Tourelles is a Swiss automatic dress-watch collection, not a single specification: the cited models span 34 mm, 39 mm and 42 mm cases. Its appeal is a mix of classic styling and an automatic movement rated by Tissot for up to 80 hours of power reserve. Which version makes sense depends on the size, strap or bracelet, and whether you want COSC certification.
What is the Chemin des Tourelles?
Tissot ties the collection’s name to its Le Locle headquarters. The company says the headquarters on Chemin des Tourelles was established in 1907, beginning a tradition that informs the line’s design story (Tissot Pressroom, 2023). Tissot describes the watches with polished cases, domed sapphire crystals, sunray dials and Roman-numeral styling. These are formal cues suited to a dress-watch role rather than a rugged sports-watch look.
The collection uses the Powermatic 80 automatic movement family. Tissot lists up to 80 hours of power reserve for the cited references. That is a manufacturer-stated maximum, not an independently measured result for every watch.
Which size and reference should you compare?
Case diameter is only one part of wrist presence: thickness and lug width affect how a watch sits and which straps fit. Tissot’s listed dimensions differ by reference, so confirm the full reference before buying.
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| Reference | Case diameter | Thickness | Lug width | Notable details |
|---|---|---|---|---|
| T0994071104800 | 42 mm | 10.89 mm | 21 mm | Blue dial; steel bracelet; 144 g listed weight; 5 bar (50 m / 165 ft) |
| T0994081103800 COSC | 42 mm | 10.89 mm | 21 mm | COSC-certified; date; 5 bar water resistance |
| T1398072203800 | 39 mm | 11.22 mm | 20 mm | Automatic; 5 bar water resistance |
| T1392073603100 | 34 mm | 10.47 mm | 18 mm | Date; leather strap; Nivachron balance spring; quick-release bracelet option; 5 bar water resistance |
These listed sizes make the 34 mm reference the smallest option, while the 39 mm model is not simply a thinner 42 mm: it is listed at 11.22 mm thick, compared with 10.89 mm for the two 42 mm examples. Wrist shape and personal preference still matter; dimensions alone cannot establish fit.
What do the movement and COSC labels mean?
The standard and COSC-designated 42 mm references both have an 80-hour stated reserve, but only T0994081103800 is identified as COSC-certified in the cited specifications. COSC certification is a distinction on that specific reference, not a feature to assume across the whole collection. The available specifications do not provide independent accuracy tests for these watches, so they cannot establish how a particular example performs on the wrist.
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Tissot describes the 80-hour reserve as enough to keep the watch running if it is not worn for three days. In practice, reserve is about how long a fully wound watch can run without being worn; it is not an accuracy guarantee.
How do the 42 mm versions differ?
T0994071104800 is the blue-dial, steel-bracelet model in the cited India listing. Its 316L stainless-steel case is paired with sapphire crystal, one anti-reflective coating on the underside, and a see-through caseback. The listing gives 5 bar water resistance, an automatic movement with up to 80 hours of reserve, Roman numerals and indexes, and a two-year warranty.
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T0994081103800 is the COSC-certified alternative. Its cited specifications include a 42 mm steel case, sapphire crystal, see-through caseback, 5 bar water resistance, an 80-hour reserve and a date. The source lists its India price, but does not provide enough detail here to claim every dial, bracelet or finishing difference from the other 42 mm reference.
What strap fits each cited size?
Use the listed lug width as the starting point when choosing a replacement strap: 21 mm for the cited 42 mm references, 20 mm for the 39 mm T1398072203800, and 18 mm for the 34 mm T1392073603100. Those measurements describe lug width, not a guarantee that every strap or clasp will fit; check the strap’s attachment and hardware before ordering.
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The 42 mm T0994071104800 is listed on a stainless-steel bracelet. The 34 mm reference is listed with a leather strap and has a quick-release bracelet option. The 39 mm listing cited here establishes a 20 mm lug width but does not specify a strap option in the available product details.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What does 5 bar water resistance allow?
Tissot rates the cited examples at 5 bar, expressed on the 42 mm T0994071104800 page as 50 m / 165 ft. This is a stated water-resistance rating, not a promise that the watch is suitable for every activity at that depth. No further activity guidance is established by the cited specifications, so check the current instructions for the exact reference and keep the crown and pushers secured as applicable.
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What are the cited India prices and warranty?
Regional prices and terms should not be generalized across markets. The cited Tissot India listing for T0994071104800 gives a maximum retail price of ₹100,500, stated as applicable to imports from 10 March 2026, and a two-year warranty. The cited India listing for COSC reference T0994081103800 gives ₹126,000. These are market- and listing-specific figures, not a promise of current stock or a street price.
Before purchase, verify the exact reference, current price, warranty coverage and authorized-seller or service arrangements in your country. Product listings do not establish independent long-term reliability, bracelet comfort, scratch resistance or measured accuracy.
Is the Tissot Chemin des Tourelles worth buying?
It is a plausible choice if you want a traditional-looking Swiss automatic and can select a case size and configuration that suit you. The strongest evidence-based case for it is the combination of sapphire crystal, see-through caseback, 5 bar rating and up-to-80-hour stated reserve on the cited models. Choose among the 34 mm, 39 mm and 42 mm references by their actual dimensions and strap setup; pay extra for the COSC option only if certification is a feature you specifically value. Available product information alone cannot verify accuracy or long-term reliability.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
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