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Tissot PRX Mens Watch 40mm
Ref. T1374103302100
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Stepping up in Tissot's range
The PRX traces back to a 1978 Tissot flagship, and this version revives that original's logic faithfully: an integrated case and bracelet that reads as a single unbroken piece of gold PVD, with the tonneau shape and polished chamfers that defined the sports-luxury aesthetic of that decade. What makes it wear differently from a conventional 40mm round watch is the lug-to-lug measurement of 39.6mm — shorter than the case is wide — which means it sits flat across the wrist rather than bridging it. At 10.4mm thick it disappears under a cuff more readily than the diameter alone would suggest. The gold dial carries a vertical brushed finish that shifts between matte and lit depending on the angle, and the baton hands and applied indices catch the light cleanly against it. The ETA F06.115 includes a battery end-of-life indicator, which quietly tells you the cell is fading rather than letting the watch simply stop. The bracelet removes tool-free via a quick-release system and adjusts by pulling individual friction-pinned links — practical details on a watch that will need to fit a range of wrists over its life.
- Reference
- T1374103302100
- Brand
- Tissot
- Collection
- PRX
- Case size
- 40mm
- Case thickness
- 10.4mm
- Lug width
- 12mm
- Case material
- Gold PVD
- Case shape
- Tonneau
- Dial
- Gold
- Crystal
- Sapphire
- Movement
- Quartz
- Calibre
- ETA F06
- Functions
- Date
- Water resistance
- 100m
- Bracelet / strap
- Stainless steel bracelet
- Strap colour
- Gold
- Clasp
- Butterfly clasp
- Lume
- Super-LumiNova
- Retailer
- Goldsmiths
Additional specifications
- Lug-to-lug
- 39.6mm
- Origin
- Swiss made
Learn more about Tissot
Charles-Félicien Tissot and his son Charles-Émile founded the company in Le Locle in 1853, assembling gold pocket watches and, unusually for the time, exporting aggressively — Russia became a major market within a decade.
Tissot's history is a sequence of firsts achieved through willingness to try materials and ideas the establishment considered unserious. The first mass-produced pocket watch with two time zones came in 1853. The first anti-magnetic wristwatch in 1930. The Astrolon of 1971 was the first watch with a movement made largely of injection-moulded plastic, and it worked. The RockWatch of 1985 used Alpine granite for the case, followed by watches in wood and mother-of-pearl.
The T-Touch of 1999 was the most significant: a tactile sapphire crystal allowing the wearer to access altimeter, barometer, compass, thermometer, and chronograph by touching the glass, years before touchscreens were commonplace.
Tissot merged with Omega in 1930 and both became founding members of what is now the Swatch Group. Its position in the group is volume and accessibility — Swiss mechanical and quartz watches at prices most people can reach, with the Powermatic 80 movement offering an eighty-hour reserve at entry level.
The company has held timekeeping roles across cycling, basketball, motorsport, and fencing.
- 1853
- Founded in Le Locle by Charles-Félicien and Charles-Émile Tissot.
- 1930
- Merges with Omega; releases the first anti-magnetic wristwatch.
- 1971
- The Astrolon uses a plastic movement.
- 1985
- The RockWatch is cased in Alpine granite.
- 1999
- The T-Touch introduces a tactile sapphire crystal.
Manufacturer’s guarantee
Your new watch
Frequently asked questions, and things you should know about this watch
Can I swim with it?
Yes. At 100m it is rated for swimming and snorkelling, though not for diving.
Will the glass scratch?
Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.
Does it need a battery?
Yes. It is quartz, so expect a battery change every two to three years at a jeweller.
What size strap does it take?
12mm. Any strap of that width will fit, and on most modern watches quick-release bars make the swap a two-minute job with no tools.
Will it fit my wrist?
Lug-to-lug is 39.6mm, which suits wrists from roughly 15cm (6 inches) upward.
Lug-to-lug decides fit more than case diameter does.
Is it a men's or women's watch?
Listed as men's, though at 40mm it sits in the range that suits anyone.
Cheapest place to buy
Goldsmiths is the only UK retailer we track stocking this reference, so there is nothing to compare it against today.
Who are Goldsmiths?
Goldsmiths has been selling watches in Britain since 1778 and is part of the Watches of Switzerland Group, which is listed on the London Stock Exchange. They are an authorised dealer, so a watch comes with the manufacturer’s own warranty.
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