Seiko 5 Sports GMT vs Seiko 5 Sports SRPE57

Side-by-side comparison of specifications and features

Seiko5 Sports GMT

SSK001

Seiko5 Sports

SRPE57

Key Differences

Best Value

Seiko 5 Sports (SRPE57)

Starting from $295

See Both Watches on Your Wrist

Set your wrist circumference to compare relative case presence. Lug-to-lug is included when the catalog has it.

Your wrist

Medium (6.7″)

Watch A

Seiko 5 Sports GMT

Balanced

Round · 42.5mm · 46mm lug-to-lug

Optimal proportions for most wrists

Case: 42.5mmLug-to-lug: 46mmThickness: 13.6mm

Open this size in the full fit chart →

Watch B

Seiko 5 Sports SRPE57

Balanced

Round · 40mm

Optimal proportions for most wrists

Case: 40mm

Open this size in the full fit chart →

Proportional guide only: wrist shape, strap articulation, bezel design, and case curvature change how a watch actually wears.

Price Comparison

Seiko 5 Sports GMT

MSRP

$400

New

$534

Used

$266

Seiko 5 Sports

MSRP

$295

New

$376

Used

$295

MSRP New (Amazon) Used (eBay)

Comparison of Seiko 5 Sports GMT, Seiko 5 Sports
Specification	Seiko 5 Sports GMT	Seiko 5 Sports
Pricing
MSRP	$400	$295
New Price	$534	$376
Used Price (Low)	$266	$295
Used Price (High)	$1,023	$1,691
30-Day Trend	↑ +33.9%	↑ +29.9%
Used Price Range	$266 - $1,023	$295 - $1,691
Identity
Reference	SSK001	SRPE57
Nickname	N/A	N/A
Style	Sports, Tool	Sports, Casual
Release Era	2020s	2010s
Dimensions
Diameter	42.5mm	40mm
Thickness	13.6mm	N/A
Lug Width	22mm	N/A
Lug to Lug	46mm	N/A
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	Hardlex
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

Which Should You Buy?

Seiko 5 Sports GMT and Seiko 5 Sports SRPE57 can overlap on price or use case, but the buying decision usually comes down to wrist presence versus easier fit. They both touch the sports use case, so smaller spec differences can matter more than brand preference.

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 Seiko 5 Sports GMT if you prefer more dial presence and a larger case feel; choose Seiko 5 Sports SRPE57 if you want a smaller case footprint on the wrist.

Choose Seiko 5 Sports GMT when

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

Choose Seiko 5 Sports SRPE57 when

Seiko 5 Sports SRPE57 is a better fit for smaller wrists, mechanical-watch enthusiasts, sports styling.

Key Differences

Movement and upkeep

Seiko 5 Sports GMT: automatic movement

Seiko 5 Sports SRPE57: 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 · L2L 46mm · 161g

Seiko 5 Sports SRPE57: 40mm

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

Seiko 5 Sports SRPE57: 100m

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

Price and value

Seiko 5 Sports GMT: $400

Seiko 5 Sports SRPE57: $295

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

Seiko 5 Sports SRPE57: 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

Seiko 5 Sports SRPE57: Hardlex crystal · steel

Materials are broadly similar, so finish, fit, and price will matter more than the materials list alone.

Why These Watches Are Often Compared

Seiko 5 Sports GMT and Seiko 5 Sports SRPE57 get compared constantly because both are sports watches, they share the same automatic movement — so the spec sheet alone will not tell you which to buy.

The Differences You Will Notice in Daily Use

Feature split: Seiko 5 Sports GMT adds gmt; Seiko 5 Sports SRPE57 keeps it simpler.
Seiko 5 Sports GMT is around $400 and Seiko 5 Sports SRPE57 around $295 — about a $105 gap at typical listings.

Which One Offers More Useful Features

Seiko 5 Sports GMT — Feature split: Seiko 5 Sports GMT adds gmt; Seiko 5 Sports SRPE57 keeps it simpler.

Which One Should You Buy

Seiko 5 Sports GMT for most buyers — Feature split: Seiko 5 Sports GMT adds gmt; Seiko 5 Sports SRPE57 keeps it simpler. Go with Seiko 5 Sports SRPE57 instead if you want the lower price — Seiko 5 Sports SRPE57 typically runs about $105 less.

Choose Seiko 5 Sports GMT If...

You prefer more dial presence and a larger case feel.
You are comfortable paying more for a stronger feature set.

Choose Seiko 5 Sports SRPE57 If...

You want a smaller case footprint on the wrist.
You want the lower current entry price.

Price and Value Notes

Seiko 5 Sports SRPE57 is often the value play at current pricing, while Seiko 5 Sports GMT 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 $502 · New & used listings

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

Seiko 5 Sports

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $439 · New & used 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?

Seiko 5 Sports SRPE57 — it is 40mm wide versus 42.5mm.

Which is better for swimming or rough daily wear?

They are rated the same, so water resistance will not decide this. Choose on strap material and how much you mind scratching the case.

Is the more expensive one worth it?

Seiko 5 Sports SRPE57 is the value pick at roughly $105 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.

What is the actual difference between Seiko 5 Sports GMT and Seiko 5 Sports SRPE57?

Feature split: Seiko 5 Sports GMT adds gmt; Seiko 5 Sports SRPE57 keeps it simpler. That is the difference you will notice day to day; the rest of the specs are close enough not to matter.

Which one should I buy?