Casio

Since entering the watch market in 1974, Casio has revolutionized digital timekeeping with their innovative approach to functionality and durability. Their G-Shock line, introduced in 1983, redefined shock-resistant watches and has become a cultural icon. The brand's Edifice collection brings sophisticated analog-digital technology to motorsports timing, while their Pro Trek series offers advanced environmental sensors for outdoor enthusiasts. Through their constant innovation in digital technology, solar power, and radio-controlled timekeeping, Casio continues to push the boundaries of what a watch can achieve.


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Current Listings

[WTS] Casio Duro Green + Uncle Straps Bundle - $99 CONUS

Casio Duro Green + Uncle Straps Bundle - $99 CONUS

Casio - Duro · $99
A Casio Duro with a green bezel and extra accessories, purchased last year. The seconds hand hits the minute markers on this model.

  • Condition: new
  • Bundle: includes various Uncle Straps
  • Shipping: CONUS via PayPal FF, Venmo, Zelle
Posted at
Apr 28, 2026, 6:05 PM
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[WTS] - Casio G-SHOCK GCW-B5000UN-6JR - 40TH ANNIVERSARY LIMITED EDITION.

- Casio G-SHOCK GCW-B5000UN-6JR - 40TH ANNIVERSARY LIMITED EDITION.

Casio - GCW-B5000UN-6JR · $1,750
This is a unique Casio G-SHOCK GCW-B5000UN-1 from the 40th Anniversary series. It features a forged carbon build and a monocoque carbon case with a marble pattern that's one-of-a-kind due to its manufacturing process.

  • Condition: pristine, like-new condition
  • Case Size: 43mm (classic square profile)
  • Material: Forged Carbon bezel and band, Carbon Monocoque case
  • Weight: 65g (remarkably light)
Posted at
Apr 28, 2026, 4:49 PM
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[WTS] Casio G-Shock GM-2100 (Metal “CasiOak”) – $120 shipped

Casio G-Shock GM-2100 (Metal “CasiOak”) – $120 shipped

Casio - GM-2100 · $120
This Casio G-Shock GM-2100 features shock resistance, a clean crystal, and light scratches on the case. It comes with an original strap and is in overall good condition.

  • Condition: Good
  • Water resistance: 200m
  • Case condition: Light scratches
  • Display type: Analog/Digital
Posted at
Apr 28, 2026, 10:50 AM
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[WTS] Casio Gshock MTG-1100B

Casio Gshock MTG-1100B

Casio - MTG-1100B · $180
This Casio Gshock is solar powered and radio-controlled, making it accurate without battery changes. The watch has been modified to fit better with an aftermarket clasp.

  • Condition: Good condition, with a cut on the resin bezel
  • Bracelet size: 6.25 inch
  • Clasp modification: modified to attach 18mm clasp
  • Original clasp condition: has one of the two resin pieces missing
Posted at
Apr 27, 2026, 8:12 PM
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[WTS] Casio G Shock GA-2100 Clear + lots of extras!

Casio G Shock GA-2100 Clear + lots of extras!

Casio - GA-2100 · $85
A Casio G-Shock GA-2100 Clear with many extra straps and accessories, including the original box.

  • Condition: Great shape
  • Extras: Multiple straps and accessories included
Posted at
Apr 27, 2026, 3:35 PM
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[WTS] Casio G-shock GMWB5000D-1

Casio G-shock GMWB5000D-1

Casio - GMWB5000D-1 · $425
This Casio G-Shock GMWB5000D-1 is in excellent condition with some minor marks on the clasp.

  • Condition: Excellent with desk diving marks on the clasp
  • Shipping: CONUS
  • Payment Methods: Zelle or PayPal
Posted at
Apr 27, 2026, 11:26 AM
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[WTS] Casio PRT-2GP Satelite Navi GPS COMPLETE SET - PRICE DROP

Casio PRT-2GP Satelite Navi GPS COMPLETE SET - PRICE DROP

Casio - PRT-2GP · $449
Up for sale is my Casio PRT-2GP GPS Satelite Navi COMPLETE SET, the world's first GPS watch released around 1999. It comes with everything it had in the store fresh, including box, papers, charger, data connection cable, and CD-ROM.

  • Condition: Perfect condition
  • Year Released: around 1999
  • Includes: box, papers, charger, data connection cable, cd-rom for software
Posted at
Apr 27, 2026, 5:45 AM
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[WTS] Casio CGW-50 Cosmo Phase (Module 827)

Casio CGW-50 Cosmo Phase (Module 827)

Casio - CGW-50 · $799
This Casio CGW-50 Cosmo Phase is a digital watch released in the late 80s, featuring a planetary alignment display and tracking Halley's Comet. It has a sharp and clear LCD display, and is considered a grail for fans of 'Golden Era' gadget watches.

  • Condition: fantastic condition for the age
  • Age: late 80s
  • Bezel status: original bezel writing and no notable scratches
Posted at
Apr 27, 2026, 5:42 AM
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[WTS] G-SHOCK Ref. 6900-PT1 by John Mayer – Brand New in Box – $350 OBO

G-SHOCK Ref. 6900-PT1 by John Mayer – Brand New in Box – $350 OBO

Casio - GW6900-1 · $350
a Casio G-SHOCK Ref. 6900-PT1, brand new in box.

  • Newness: Brand new in box
Posted at
Apr 26, 2026, 1:23 PM
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