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Tissot PRX Powermatic 80 35mm Steel and 18K Gold Bezel Unisex Watch
Ref. T9312074103101
Sits in Tissot’s upper tier here — more premium than three quarters of the Tissot watches we list, which start at £245.
Price range £245 to £1,875 across 310 Tissot watches in stock.The PRX shape traces directly to a Tissot case from 1978, and this two-tone reference sits within the T-Gold line as the precious-metal variant of the 35mm family — distinguished from its all-steel siblings by an 18K yellow gold bezel, which means 75% pure gold alloyed with silver and copper rather than a plated surface. At 35mm with a lug-to-lug of roughly 38.5mm excluding the first bracelet link, this wears closer to the wrist than the numbers alone suggest; the tonneau case and integrated bracelet read as a continuous line rather than a watch sitting on a strap. The gold-tone hands and indices against the silver dial give the two-tone treatment coherence rather than contrast, and the mix of brushed and polished surfaces on the bracelet carries that through to the wrist. The calibre 80.111 inside is worth understanding. Derived from the ETA 2824-2 but slowed to 21,600 vph, it gains an 80-hour power reserve — enough that a watch left on a Friday evening is still running Monday morning. The Nivachron balance spring resists both magnetism and temperature shifts without the need for a soft-iron cage, and the movement is laser-regulated at the factory rather than adjusted by hand. The see-through caseback makes it visible, and it is a movement that rewards the look.
- Reference
- T9312074103101
- Brand
- Tissot
- Collection
- PRX
- Case size
- 35mm
- Case thickness
- 11.3mm
- Lug width
- 24mm
- Case material
- Two-tone
- Dial
- Silver
- Crystal
- Sapphire
- Movement
- Automatic
- Calibre
- ETA 2824
- Functions
- Date
- Water resistance
- 100m
- Bracelet / strap
- Stainless steel bracelet
- Strap colour
- Two-tone
- Clasp
- Butterfly clasp
- Lume
- Super-LumiNova
- Retailer
- Goldsmiths
Additional specifications
- Power reserve
- 80 hours
- Gem set
- Yes
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.
Also in 5 collections
This watch appears in the Tissot PRX range (56), Watches Under 37mm (1,509), Automatic Watches (1,417), Silver Dial Watches (630) and Two-Tone Watches (448).
Manufacturer’s guarantee
Best of 2 retailers
What the specifications mean
A mechanical watch for everyday wear.
Strengths
- 100m water resistance covers swimming and watersports
- 35mm suits most wrists
- Sapphire crystal, which resists scratching
- 80-hour reserve survives a weekend off the wrist
- Luminous hands and markers for low light
Tissot PRX Powermatic 80 alternatives
Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.
| Specification | T9312074103101 | L34304726 | 01 733 7813 4151-07 5 |
|---|---|---|---|
| Price | £1,825 | £1,900 | £1,750 |
| Case size | 35mm | 34mm | 35mm |
| Water resistance | 100m | 100m | 50m |
| Movement | Automatic | Automatic | Automatic |
| Strap | Stainless steel bracelet | Stainless steel bracelet | Leather strap |
| Power reserve | 80 hours | 72 hours | 41 hours |
| This watch | Closely matched |
|
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.
Water resistance explainedWill the glass scratch?
Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.
Sapphire, mineral and acrylic comparedDoes it need a battery?
No. It is automatic — the motion of your wrist winds it, and there is no cell to replace.
Quartz, automatic and solar comparedHow long does it run for when it's not worn?
About 80 hours fully wound — enough to sit off the wrist over a weekend and still be running.
What size strap does it take?
24mm. 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.
Is it a men's or women's watch?
Listed as unisex, and at this size it suits any wrist that takes the dimensions.
Cheapest place to buy
Both Goldsmiths and Mappin & Webb list it at £1,825, so choose on delivery and warranty rather than price.
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