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 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 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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[WTS] G-Shock GSTB200-1A, Solar Bluetooth

G-Shock GSTB200-1A, Solar Bluetooth

Casio - GSTB200-1A · $125
This Casio GSTB200-1A is a rugged watch featuring tough solar and Bluetooth capabilities. It's a discontinued model with all functions working.

  • Condition: Pre-owned, shows signs of honest wear
  • Size: 46.5mm diameter
Posted at
Apr 26, 2026, 12:46 PM
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[WTS] Gshock Watch Lot GD-350, GW-6900, and GW-9500MRY + extras. $299

Gshock Watch Lot GD-350, GW-6900, and GW-9500MRY + extras. $299

This listing is for a lot sale of three Casio G-Shock watches: GD-350, GW-6900, and GW-9500MRY-1A9. The GW-9500MRY comes with additional accessories such as Jay and Kay adapters and a NATO strap.

  • Adapters: Jay and Kay adapters
  • Straps: nato strap, original strap
Posted at
Apr 26, 2026, 6:56 AM
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[WTS] Casio Tank Salmon Full Kit $120

Casio Tank Salmon Full Kit $120

Casio - LTP-B165L-5B · $120
A Casio LTP-B165L-5B analog quartz watch featuring a salmon dial, classic rectangular design, and stainless steel case.

  • Condition: Excellent
  • Case Size: 34.5 × 24.5 mm (rectangular)
  • Case Thickness: 8.3 mm
  • Case Material: Stainless steel
Posted at
Apr 26, 2026, 12:18 AM
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[Wts](BNOS) (g-shock diver titanium frogman DW8200)

(BNOS) (g-shock diver titanium frogman DW8200)

Casio - DW8200 · $350
1997 titanium frogman DW8200, second generation with EL backlight and full kit.

  • Condition: Brand new old stock
  • Generation: second generation
  • Backlight type: EL backlight
  • Case material: titanium
Posted at
Apr 25, 2026, 11:14 PM
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