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Seiko 5 Sports SKX GMT SSK003 vs Citizen Tsuyosa Automatic

The Seiko SSK003 is the better pick for a traveler or anyone who wants a GMT hand and a bolder sports watch. The Citizen Tsuyosa is the better pick for a slimmer, lighter everyday watch with a sapphire crystal. The Seiko is bigger and heavier at 42.5mm, 13.6mm thick and 161g, with Hardlex glass and 100m water resistance. The Tsuyosa is 40mm, about 11.5mm thick and 108g, with sapphire and 50m water resistance. Owners praise the Seiko's SKX-style case and blue dial; Tsuyosa owners like the integrated bracelet look and the textured green dial.

  • Choose the Seiko SSK003 if you want a GMT complication, 100m water resistance and the SKX dive-watch look on a steel bracelet.
  • Choose the Citizen Tsuyosa if you want a slimmer, lighter automatic dress-sport watch with a sapphire crystal.

Prices

  • Seiko 5 Sports SKX GMT SSK003: $396.00 at Teddy Baldassarre (checked today)
  • Citizen Tsuyosa Automatic: $250.87 at Montres Outlet (last seen Nov 2)
  • Difference: the Citizen Tsuyosa Automatic is $145.13 cheaper than the Seiko 5 Sports SKX GMT SSK003 at the latest prices (Nov 2 and Nov 9)
Seiko
SSK003 5 Sports SKX GMT 42.5mm - Blue on Bracelet

Seiko 5 Sports SKX GMT SSK003

SSK003 5 Sports SKX GMT 42.5mm - Blue on Bracelet

4.9(182 ratings)
$396.00at Teddy BaldassarreVerified
See all prices and details
Visit Teddy Baldassarre
Pros
  • GMT hand tracks a second time zone
  • 100m water resistance suits swimming and daily wear
  • Solid SKX-derived case and bracelet
  • Luminous indices and bezel for low light
  • 36-month warranty
Cons
  • Large and heavy on smaller wrists
  • Hardlex glass scratches more easily than sapphire
  • No sapphire at this level
Citizen
Citizen Tsuyosa Men's Watch

Citizen Tsuyosa Automatic

Citizen Tsuyosa Men's Watch

4.8(334 ratings)
$250.87at Montres OutletObserved Nov 2, 2026, 11:09 AM
See all prices and details
Visit Montres Outlet
Pros
  • Sapphire crystal resists scratches
  • Slim, light case slips under a cuff
  • Green textured dial stands out
  • Comfortable integrated-style bracelet
  • Strong owner ratings
Cons
  • 50m water resistance is splash-only
  • No GMT or rotating bezel
  • Date only, no other complications

What separates them

Seiko 5 Sports SKX GMT SSK003Citizen Tsuyosa Automatic
MovementSeiko 4R34 automatic, 24 jewels, about 41 hours reserveCitizen 8210 automatic, about 42 hours reserve
ComplicationsGMT hand plus dateDate only
Case size and weight42.5mm wide, 13.6mm thick, 46mm lug-to-lug, 161g40mm wide, about 11.5mm thick, 108g
CrystalHardlex with magnifier lensesSapphire
Water resistance100m, screw-down style crown50m
BraceletSteel bracelet with folding clasp, 22mm lugsIntegrated-look steel bracelet, fold-over clasp with push buttons
DialBlue dial with luminous indices and bezelGreen textured dial, dress-sport look
Style rangeSporty dive-style, casualDress and sport, easier under a cuff

Price history

$429.00$250.87
Oct 30Nov 9
  • Seiko 5 Sports SKX GMT SSK003: lowest $368.56 on Nov 9 at Cicala.
  • Citizen Tsuyosa Automatic: lowest $250.87 on Nov 2 at Montres Outlet; $346.50 on Nov 9.

Prices at every store

Seiko 5 Sports SKX GMT SSK003

  • Teddy BaldassarreNew

    In stockReturn policy

    $396.00Verified
    Visit Teddy Baldassarre
  • Skaneateles JewelryNew

    In stock

    $399.00Free shippingObserved at 3:05 PM
    Visit Skaneateles Jewelry
  • CicalaNew

    Availability unknownShips from Italy · duties may apply

    $368.56Observed at 3:05 PM
    Visit Cicala
  • Fallers.comNew

    Availability unknown

    $404.00Observed at 3:05 PM
    Visit Fallers.com

Also available at

  • Bijoux EcloreCheck price at Bijoux Eclore
  • Deals GuruCheck price at Deals Guru
  • Gem BijouCheck price at Gem Bijou
All 8 stores and price history →

Citizen Tsuyosa Automatic

  • Montres OutletNew

    Availability unknown

    $250.87Observed Nov 2, 2026, 11:09 AM
    Visit Montres Outlet
  • eBayNew

    Availability unknownReturns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $259.00Free shippingVerified
    Visit eBay
  • CreationWatches.comNew

    Availability unknown

    $266.00Observed Nov 1, 2026, 7:25 PM
    Visit CreationWatches.com
  • Harvey StoreNew

    Availability unknown

    $279.12Observed Nov 2, 2026, 11:09 AM
    Visit Harvey Store

Also available at

  • WalmartCheck price at Walmart
  • eBayCheck price at eBay

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All 43 stores and price history →

Specs compared

SpecSeiko 5 Sports SKX GMT SSK003Citizen Tsuyosa Automatic
Movement typeAutomatic with manual windingAutomatic
Water resistance10 bar50m
Weight161.0g108 g
StyleWristWrist
DisplayAnalogAnalog
Water ResistantYesYes
Watch MovementMechanicalAutomatic
Mechanical MovementAutomaticAutomatic
Scratch-ResistantYesYes
Case ShapeRound CaseRound
Case Size42mm case40mm case
Caliber number4R34—
Show all 40 specsShow fewer specs
SpecSeiko 5 Sports SKX GMT SSK003Citizen Tsuyosa Automatic
Power reserveApprox. 41 hours—
Jewels24—
Case thickness13.6mm—
Case diameter42.5mm—
Lug-to-lug46.0mm—
CrystalHardlex with lenses—
Distance between lugs22—
Magnetic resistance4,800 A/m—
ChronographYes—
Battery Life

What reviewers say

Seiko 5 Sports SKX GMT SSK003

  • 4.9 / 5182 ratings

Owners rate it very highly, mostly for the GMT complication and SKX styling at the price. Common complaints are the thickness, the Hardlex crystal and so-so bracelet and timekeeping.

What people mention
  • GMT functionPraisedOwners like the independent 24-hour hand and bezel for tracking a second time zone.
  • Case sizeMixedThe 42.5mm case suits many wrists, but the 13.6mm thickness draws complaints.
  • CrystalCriticisedHardlex is seen as a weak point; some owners swap it for sapphire.
  • BraceletMixedThe steel bracelet is secure but described as basic and rattly by some.

Citizen Tsuyosa Automatic

  • 4.8 / 5334 ratings

Owners rate it highly, with 4.8 out of 5 from 334 ratings. Most praise the dial finish, sapphire glass and value for an automatic, while the main complaints are the bracelet fit and modest water resistance.

What people mention
  • Dial finishPraisedOwners say the green dial and applied indices catch light well for the price.
  • BraceletMixedSome find the steel bracelet comfortable, others say the clasp and sizing feel cheap.
  • Water resistanceCriticisedOwners note 50m means splashes only, not swimming.
  • AccuracyPraised

Questions and answers

Which is better for travel across time zones?
The Seiko SSK003. Its GMT hand lets you read a second time zone at a glance, and 100m water resistance handles pool and shower use. The Tsuyosa has no GMT function.
Which wears smaller on a small wrist?
The Citizen Tsuyosa. At 40mm wide, about 11.5mm thick and 108g, it sits closer to the wrist than the 42.5mm, 13.6mm, 161g Seiko.
Is the Tsuyosa's sapphire worth stepping up for?
If scratch resistance matters most, yes. Sapphire is far harder than the Seiko's Hardlex. If you want a GMT and 100m water resistance, the Seiko gives more watch for the same outlay.
Can I swim with either watch?
Swim with the Seiko, rated to 100m. Treat the Tsuyosa's 50m rating as splash and rain resistant only, not for swimming.
Which keeps better time?
Both are entry-level Japanese automatics with similar accuracy tolerances. Neither is a chronometer, so expect a few seconds a day either way.
Which is more versatile?
The Tsuyosa. Its slimmer case and dress-sport dial work with a shirt cuff as well as casual wear. The Seiko is clearly a sports watch.

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—
42-hour power reserve
Waterproof—No
Scratch Resistance—Yes
Case Material—Stainless Steel
Display Type—Analog
Touch Screen—No
Display Features—3 o'clock date window
Watch Style—Analog
Wrist Watch Style—Dress, Sport
Power Source—Motion of the wearer's arm, Automatic movement,…
Band Material—Stainless Steel
Band Closure Type—Fold Over Clasp with Push Buttons
Interchangeable Band—No
Depth—11.5mm
Height—11.5mm
Width—No information
Clock—Yes
Time Keeping Software—Analog
Power Source Type—Automatic movement
Most report timekeeping within a few seconds a day.
Best men's automatic watches for everyday wear