Orient Triton vs Seiko 5 Sports GMT

Side-by-side comparison of specifications and features

OrientTriton

RA-EL0001B00B

Seiko5 Sports GMT

SSK001

Key Differences

Best Value

Seiko 5 Sports GMT (SSK001)

Starting from $400

Best Water Resistance

Orient Triton (Ref. RA-EL0001B00B)

200m (2x more)

Biggest Price Drop

Orient Triton (Ref. RA-EL0001B00B)

-2.0% in 30 days

Price Comparison

Orient Triton

MSRP

$590

New

$578

Used

$585

Seiko 5 Sports GMT

MSRP

$400

New

$570

Used

$264

MSRP New (Amazon) Used (eBay)

Comparison of Orient Triton, Seiko 5 Sports GMT
Specification	Orient Triton	Seiko 5 Sports GMT
Pricing
MSRP	$590	$400
New Price	$578	$570
Used Price (Low)	$585	$264
Used Price (High)	$623	$1,023
30-Day Trend	↓ -2.0%	↑ +3.2%
Used Price Range	$585 - $623	$264 - $1,023
Identity
Reference	RA-EL0001B00B	SSK001
Nickname	N/A	N/A
Style	Diver, Tool	Sports, Tool
Release Era	2020s	2020s
Dimensions
Diameter	43.4mm	42.5mm
Thickness	14mm	N/A
Lug Width	22mm	N/A
Lug to Lug	51mm	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	Sapphire Crystal	Hardlex
Water Resistance	200m (diving)	100m (recreational diving)
Bezel	Unidirectional rotating	Bidirectional 24-hour
Dial
Dial Color	Black	Black
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

Orient Triton and Seiko 5 Sports GMT can overlap on price or use case, but the buying decision usually comes down to wrist presence versus easier fit, water-ready utility versus dressier everyday wear, diver character versus sports versatility. Start with fit first — case width and lug-to-lug usually matter more than secondary features if wrist comfort is a concern.

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.

Orient Triton

Orient Triton is a better fit for mechanical-watch enthusiasts, diver styling.

Seiko 5 Sports GMT

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

Key Differences

Movement and upkeep

Orient Triton: automatic movement

Seiko 5 Sports GMT: 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

Orient Triton: 43.4mm · L2L 51mm

Seiko 5 Sports GMT: 42.5mm

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

Orient Triton: 200m

Seiko 5 Sports GMT: 100m

Water resistance is a meaningful separator here — the higher-rated option gives more flexibility for swimming or rougher daily use.

Price and value

Orient Triton: $590

Seiko 5 Sports GMT: $400

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

Orient Triton: diver

Seiko 5 Sports GMT: sports

Orient Triton leans more diver, while Seiko 5 Sports GMT pulls toward sports use case — pick the one that matches how you will actually wear it.

Crystal and materials

Orient Triton: sapphire crystal · steel

Seiko 5 Sports GMT: Hardlex 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 Orient Triton If...

Swimming, beach use, or tougher daily wear is part of the plan.
You are specifically shopping for a diver style watch.
You are comfortable paying more for a stronger feature set.

Choose Seiko 5 Sports GMT If...

You are specifically shopping for a sports style watch.
You want the lower current entry price.

Price and Value Notes

Seiko 5 Sports GMT is often the value play at current pricing, while Orient Triton 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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Orient Triton

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $589 · Live listings

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Seiko 5 Sports GMT

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $387 · 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?

Neither is clearly smaller: case width is 43.4mm vs 42.5mm. Pick on strap and looks instead — the size difference is not what will decide this for you.

Which is better for swimming or rough daily wear?

Orient Triton — it is rated 200m versus 100m. Both are in the same broad bracket, so treat this as a tiebreaker rather than a deciding factor.

Is the more expensive one worth it?

Seiko 5 Sports GMT is the value pick at roughly $190 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.