CASIO CGW-91
Cosmo Phase CGW-91
What Should You Pay?
Estimated fair market values. Actual prices vary by condition, completeness, and seller.
New / Like New / Full Kit
$62 – $80
low confidence
Excellent / Pre-Owned
$51 – $66
low confidence
Used / Watch Only
$39 – $51
low confidence
Fair Market Value
$58
Blended estimate for excellent condition
The Casio Cosmo Phase CGW-91 is a vintage digital watch from the 1980s. It features a unique display showing the orbits of the planets in our solar system and Halley's Comet, in addition to standard timekeeping functions.
Specifications
Case Material resin
Case Shape oval
Case Back screw_down
Water Resistance 50m
Bezel Type fixed
Dial Color black
Dial Indexes none
Dial Hands none
Bracelet/Strap metal
Bracelet Material stainless steel
Clasp fold_over
Complications date
More from Vintage
View all Vintage references →Related Guides & Articles
Buyer's Guide
Best Watches Under $1,000 in 2026
The best watches you can buy under $1,000 in 2026 — pre-owned and new picks from Seiko, Hamilton, Orient, Tissot, and G-Shock with current prices.
Mar 7, 2026
Buyer's GuidePre-Owned Casio & G-Shock: Buying Guide
Guide to buying secondhand Casio and G-Shock watches — from vintage digitals to limited-edition G-Shocks, with current prices and collecting tips.
Mar 4, 2026