Side-by-side comparison of specifications and features
Compare visual case presence and physical footprint on one shared wrist. Measure your top-down wrist width for a stronger result; lug-to-lug is used when the catalog has it.
Medium (6.7″)
Estimated top width: 56.7 mm
Preliminary range: 54.7–61.8 mm.
Watch A
Visual presence
BoldCase covers 71% of your modeled wrist width.
Physical footprint
Clear spaceEstimated clearance: 6.0 mm per side.
Watch B
Visual presence
BoldCase covers 81% of your modeled wrist width.
Physical footprint
Near the edgeEstimated clearance: 1.9 mm per side.
Proportional guide only: visual presence and physical footprint do not predict comfort. Weight, thickness, caseback shape, rigid lugs, strap stiffness, wrist-bone prominence, wearing tension, bezel design, and case curvature change how a watch actually wears. Non-round silhouettes use a verified family shape and catalog dimensions where available; missing case height or width is estimated from a conservative family aspect ratio.
Start with the specifications that meaningfully differ. Expand the complete table for reference details and missing-data context.
| Specification | Tissot PRX Powermatic 80 | Tissot Seastar 2000 |
|---|---|---|
| Pricing | ||
| MSRPPRX Powermatic 80 is $580 less at MSRP | $695 | $1,275 |
| New PricePRX Powermatic 80 is $446 less based on the current snapshot | $829 | $1,275 |
| Used Price (Low)PRX Powermatic 80 is $232.9 less at the low end | $562 | $795 |
| Used Price (High) | $1,245 | $1,015 |
| 30-Day Trend | ↓ -1.9% | ↓ -2.0% |
| Used Price Range | $562 - $1,245 | $795 - $1,015 |
| Identity | ||
| Style | Sports, Dress | Diver, Sports |
| Dimensions | ||
| DiameterPRX Powermatic 80 is 6mm smaller | 40mm | 46mm |
| Thickness | 10.9mm | N/A |
| Case | ||
| Water ResistanceSeastar 2000 adds 500m water resistance | 100m (recreational diving) | 600m (diving) |
| Bezel | Fixed | Unidirectional rotating |
| Dial | ||
| Dial Color | Blue | Black |
2 fields are excluded from the differences view because one watch lacks comparable data. Use “All specs” to inspect those gaps.
This Tissot PRX Powermatic 80 vs Tissot Seastar 2000 comparison is less about a universal winner and more about wrist presence versus easier fit, water-ready utility versus dressier everyday wear, sports character versus diver versatility. Start with fit first — case width and lug-to-lug usually matter more than secondary features if wrist comfort is a concern.
Bottom line
Fit is a real separator here — compare case width and lug-to-lug before deciding, especially if wrist comfort matters more than headline features. Choose Tissot PRX Powermatic 80 if you want a smaller case footprint on the wrist; choose Tissot Seastar 2000 if you prefer more dial presence and a larger case feel.
Choose Tissot PRX Powermatic 80 when
Tissot PRX Powermatic 80 is a better fit for smaller wrists, mechanical-watch enthusiasts, sports styling.
Choose Tissot Seastar 2000 when
Tissot Seastar 2000 is a better fit for buyers who want more wrist presence, mechanical-watch enthusiasts, diver styling.
Movement and upkeep
Tissot PRX Powermatic 80: automatic movement
Tissot Seastar 2000: automatic movement
Both use the same movement type, so maintenance differences are limited and fit or feature details should decide the purchase.
Size and wearability
Tissot PRX Powermatic 80: 40mm · L2L 44.6mm · 138g
Tissot Seastar 2000: 46mm
Fit is a real separator here — compare case width and lug-to-lug before deciding, especially if wrist comfort matters more than headline features.
Water resistance
Tissot PRX Powermatic 80: 100m
Tissot Seastar 2000: 600m
Water resistance is a meaningful separator here — the higher-rated option gives more flexibility for swimming or rougher daily use.
Price and value
Tissot PRX Powermatic 80: $695
Tissot Seastar 2000: $900
There is a real price gap here — treat the more expensive option as an upgrade decision and confirm whether the extra spend buys something you will notice in weekly use.
Style and use case
Tissot PRX Powermatic 80: sports
Tissot Seastar 2000: diver
Tissot PRX Powermatic 80 leans more sports, while Tissot Seastar 2000 pulls toward diver use case — pick the one that matches how you will actually wear it.
Crystal and materials
Tissot PRX Powermatic 80: sapphire crystal · steel
Tissot Seastar 2000: sapphire crystal · steel
Materials are broadly similar, so finish, fit, and price will matter more than the materials list alone.
Tissot PRX Powermatic 80 usually offers the lower entry price — confirm current listings because marketplace pricing can move quickly.
There is a real price gap here — treat the more expensive option as an upgrade decision and confirm whether the extra spend buys something you will notice in weekly use.
Check current deals on Amazon and eBay using the buttons below — listing prices, seller quality, and condition can change quickly.
Prices change often, so compare the latest listings and condition options before you buy.
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Tissot PRX Powermatic 80
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Tissot Seastar 2000
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Tissot PRX Powermatic 80 — it is 40mm wide versus 46mm.
Tissot Seastar 2000 — it is rated 600m versus 100m. Both are in the same broad bracket, so treat this as a tiebreaker rather than a deciding factor.
Tissot PRX Powermatic 80 is the value pick at roughly $205 less. Pay more only if a specific difference above matters to you — otherwise the cheaper one is the smarter buy. Confirm live listings, since marketplace pricing moves.
Evidence & Method
This page currently relies on normalized catalog fields and calculated differences. No external reviewer observation is used in its verdict.
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