Seiko 5 Sports GMT vs Tissot PRX Powermatic 80

Side-by-side comparison of specifications and features

Seiko5 Sports GMT

SSK001

TissotPRX Powermatic 80

T137.407.11.041.00

Key Differences

Best Value

Seiko 5 Sports GMT (SSK001)

Starting from $400

Price Comparison

Seiko 5 Sports GMT

MSRP

$400

New

$531

Used

$265

Tissot PRX Powermatic 80

MSRP

$695

New

$788

Used

$664

MSRP New (Amazon) Used (eBay)

Comparison of Seiko 5 Sports GMT, Tissot PRX Powermatic 80
Specification	Seiko 5 Sports GMT	Tissot PRX Powermatic 80
Pricing
MSRP	$400	$695
New Price	$531	$788
Used Price (Low)	$265	$664
Used Price (High)	$1,023	$1,067
30-Day Trend	↑ +35.2%	↑ +2.2%
Used Price Range	$265 - $1,023	$664 - $1,067
Identity
Reference	SSK001	T137.407.11.041.00
Nickname	N/A	N/A
Style	Sports, Tool	Sports, Dress
Release Era	2020s	2020s
Dimensions
Diameter	42.5mm	40mm
Thickness	N/A	10.9mm
Lug Width	N/A	12mm
Lug to Lug	N/A	44.6mm
Movement
Movement	Automatic	Automatic
Power Reserve / Battery	N/A	N/A
Accuracy	N/A	N/A
Case
Case Material	Stainless Steel	Stainless Steel
Crystal	Hardlex	Sapphire Crystal
Water Resistance	100m (recreational diving)	100m (recreational diving)
Bezel	Bidirectional 24-hour	Fixed
Dial
Dial Color	Black	Blue
Luminous	Yes	Yes
Community
Review Rating	N/A	N/A
In Collections	N/A	N/A
On Wishlists	N/A	N/A
Forum Threads	N/A	N/A

Quick Summary

This Seiko 5 Sports GMT vs Tissot PRX Powermatic 80 comparison is less about a universal winner and more about wrist presence versus easier fit, entry price versus premium finishing or specs. Treat it as a value-versus-upgrade decision — confirm the extra spend solves a problem you will notice every week.

How to choose

The biggest practical difference is usually movement and upkeep. Start with wrist fit and movement preference, then use water resistance and price to break the tie.

Seiko 5 Sports GMT

Seiko 5 Sports GMT is a better fit for buyers who want more wrist presence, mechanical-watch enthusiasts, sports styling.

Tissot PRX Powermatic 80

Tissot PRX Powermatic 80 is a better fit for smaller wrists, mechanical-watch enthusiasts, sports styling.

Key Differences

Movement and upkeep

Seiko 5 Sports GMT: automatic movement

Tissot PRX Powermatic 80: 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

Seiko 5 Sports GMT: 42.5mm

Tissot PRX Powermatic 80: 40mm · L2L 44.6mm

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

Seiko 5 Sports GMT: 100m

Tissot PRX Powermatic 80: 100m

Water resistance is similar on paper, so focus on fit, features, and price instead.

Price and value

Seiko 5 Sports GMT: $400

Tissot PRX Powermatic 80: $695

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

Seiko 5 Sports GMT: sports

Tissot PRX Powermatic 80: sports

Both lean into a similar sports use case — the choice is more about fit, features, and price than category.

Crystal and materials

Seiko 5 Sports GMT: Hardlex crystal · steel

Tissot PRX Powermatic 80: sapphire crystal · steel

Crystal choice can change long-term wear expectations — one may prioritize scratch resistance while the other keeps cost or vintage feel in check.

Choose Seiko 5 Sports GMT If...

You prefer more dial presence and a larger case feel.
You want the lower current entry price.

Choose Tissot PRX Powermatic 80 If...

You want a smaller case footprint on the wrist.
You are comfortable paying more for a stronger feature set.

Price and Value Notes

Seiko 5 Sports GMT is often the value play at current pricing, while Tissot PRX Powermatic 80 makes more sense if you will use its extra features regularly.

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.

Where to Check Deals

Check current deals on Amazon and eBay using the buttons below — listing prices, seller quality, and condition can change quickly.

Check current deals on Amazon and eBay

Prices change often, so compare the latest listings and condition options before you buy.

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Seiko 5 Sports GMT

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $510 · Live listings

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Tissot PRX Powermatic 80

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $797 · Live listings

Affiliate links — WatchCompared earns a commission on qualifying purchases. This doesn't affect your price.

Comparison FAQ

Which one is better for smaller wrists?

Start with case width and lug-to-lug. The watch that looks smaller on paper is often the safer choice, but lug shape and thickness still affect how it wears.

Which is better for swimming or rough daily wear?

Use the water resistance row as the first filter. Higher ratings generally give more flexibility for swimming and water exposure, but strap choice and overall condition still matter.

Should I choose based on price alone?

Price matters, but the better buy is the watch that matches your fit, feature priorities, and use case. Check live listings first, then decide whether the price gap actually changes the ownership experience.