SRPE93 Prospex Automatic Diver 45mm - Black on Rubber Strap vs Tissot Men's PRX Watch
Buy the Seiko SRPE93 if you want a true 200 m dive watch with an automatic movement and a rugged tool-watch feel. Buy the Tissot PRX if you want a slim, sharp everyday watch at a lower price and don't need dive-rated water resistance. As of November 3, 2026, the Seiko's best new price is $445.00 at Mimo's JW, and the Tissot's is $360.00 at WatchMaxx.com, with three stores pricing it new.
Today the Tissot Men's PRX Watch costs $85.00 less at its best price.
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SRPE93 Prospex Automatic Diver 45mm - Black on Rubber Strap
4.9$445.00at Mimo's JWObserved Nov 2, 2026, 6:13 PM
Choose the Seiko SRPE93 if you dive, swim regularly, or want an automatic diver with 200 m water resistance and LumiBrite lume.
Pros
- 200 m water resistance suits diving and swimming
- Automatic movement needs no battery
- LumiBrite hands and markers for low light
- Hardlex resists shattering better than standard mineral glass
- Interchangeable silicone strap
Cons
- Large 44.3 mm case and 13.4 mm thickness
What separates them
| SRPE93 Prospex Automatic Diver 45mm - Black on Rubber Strap | Tissot Men's PRX Watch | |
|---|---|---|
| Movement | Automatic, powered by wearer movement | Quartz battery |
| Water resistance | 200 m, rated for diving | Water resistant, no depth rating given |
| Case size | 44.3 mm wide, 13.4 mm thick | 40 mm case |
| Weight | 124 g | Not listed, but slimmer case suggests lighter |
| Crystal | Hardlex, more shatter-resistant | Scratch-resistant crystal |
| Strap | Silicone with buckle, interchangeable | Not specified |
| Lume | LumiBrite hands and markers | Not specified |
| Price, November 3, 2026 |
Price history
$360.00$289.92
- SRPE93 Prospex Automatic Diver 45mm - Black on Rubber Strap: lowest $360.00 on Nov 2 at ModeSens.
- Tissot Men's PRX Watch: lowest $289.92 on Nov 2 at Selene Sky; $289.92 on Nov 3.
Prices at every store
SRPE93 Prospex Automatic Diver 45mm - Black on Rubber Strap
- Mimo's JWNew
In stockReturn policy
$445.00Observed Nov 2, 2026, 6:13 PM
Also available at
- Teddy BaldassarreCheck price at Teddy Baldassarre
- Times @ HandCheck price at Times @ Hand
- Arizona Fine TimeCheck price at Arizona Fine Time
Tissot Men's PRX Watch
- WatchMaxx.comNew
In stock
$360.00Observed at 10:53 PM - Macy'sNew
In stock
$400.00Observed at 2:36 AM - NordstromNew
Availability unknown
$400.00Observed at 2:36 AM
Also available at
- StockXCheck price at StockX
- Feldmar Watch CompanyCheck price at Feldmar Watch Company
- Jared JewelersCheck price at Jared Jewelers
Specs compared
| Spec | SRPE93 Prospex Automatic Diver 45mm - Black on Rubber Strap | Tissot Men's PRX Watch |
|---|---|---|
| Watch Movement | Automatic | Quartz |
| Case Shape | Round | Round Case |
| Case Material | Stainless Steel | — |
| Water Resistance | 200 m | — |
| Waterproof | Yes | — |
| Scratch Resistance | Hardlex crystal | — |
| Shock Resistance | More resistant to shattering under impact (Hard… | — |
| Watch Style | Analog, Diver, Analog | — |
| Wrist Watch Style | Sport | — |
| Power Source | Movement of the wearer | — |
Questions and answers
- Which is better for swimming and diving?
- The Seiko SRPE93. It is rated to 200 m and built as a diver; the Tissot PRX has no stated depth rating.
- Which is better for daily office wear?
- The Tissot PRX. Its 40 mm case is slimmer and lighter than the Seiko's 44.3 mm, 124 g case.
- Is the Seiko worth the extra $85?
- If you need dive-rated water resistance, automatic movement, and lume, yes. If you just want a clean everyday watch, the Tissot saves money.
- Which keeps time better?
- The Tissot's quartz movement is more accurate day to day. The Seiko's automatic movement drifts more but never needs a battery.
- Which lasts longer?
- Both are durable steel watches. The Seiko avoids battery changes and has a shatter-resistant Hardlex crystal; the Tissot needs a battery every few years.
- Which fits a smaller wrist?
- The Tissot PRX, with its 40 mm case. The Seiko is 44.3 mm wide and 13.4 mm thick.