Tissot PRX Powermatic 80 vs Casio G-Shock Mudmaster GG-B100

Both are everyday watches. In short: the Tissot PRX Powermatic 80 is mechanical (automatic) for the enthusiast feel and no battery; the Casio G-Shock Mudmaster GG-B100 is quartz for accuracy and low maintenance. The Tissot PRX Powermatic 80 is automatic, 100m water resistance, 40mm, sapphire crystal; the Casio G-Shock Mudmaster GG-B100 is quartz, 200m water resistance, 53mm, mineral crystal.

Last verified 2026-06-27 · specs from manufacturer data · tier = price band, confirm the live price at the retailer

Spec	Tissot PRX Powermatic 80	Casio G-Shock Mudmaster GG-B100
Movement	Automatic	Quartz
Water resistance	100m	200m
Case size	40mm	53mm
Crystal	sapphire	mineral
Style	Everyday / casual	Everyday / casual
Price tier	Upper	Mid

Which should you buy?

The Tissot PRX Powermatic 80 is mechanical (automatic) for the enthusiast feel and no battery; the Casio G-Shock Mudmaster GG-B100 is quartz for accuracy and low maintenance
The Casio G-Shock Mudmaster GG-B100 takes more water (200m) — both are fine for swimming, but it has more margin if you dive
The Tissot PRX Powermatic 80 has a sapphire crystal — more scratch-resistant for daily wear
The Tissot PRX Powermatic 80 wears 40mm vs the Casio G-Shock Mudmaster GG-B100's 53mm — choose by wrist size
The Casio G-Shock Mudmaster GG-B100 sits in the lower price tier (Mid) if budget leads

Where to buy

Tissot PRX Powermatic 80See price on AmazonCheck price

Casio G-Shock Mudmaster GG-B100See price on AmazonCheck price

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FAQ

What's the difference between the Tissot PRX Powermatic 80 and the Casio G-Shock Mudmaster GG-B100?
Both are everyday watches. The Tissot PRX Powermatic 80 is automatic, 100m water resistance, 40mm, sapphire crystal; the Casio G-Shock Mudmaster GG-B100 is quartz, 200m water resistance, 53mm, mineral crystal.

Which has better water resistance, the Tissot PRX Powermatic 80 or the Casio G-Shock Mudmaster GG-B100?
The Casio G-Shock Mudmaster GG-B100, rated 200m, versus 100m on the other. Pick 100m or higher for swimming and 200m+ for diving.

Which is better value, the Tissot PRX Powermatic 80 or the Casio G-Shock Mudmaster GG-B100?
The Casio G-Shock Mudmaster GG-B100 is the lower-priced tier; the other steps up in build for more money — confirm both live prices at the retailer.

Citing these specs? Go ahead — manufacturer data, last verified 2026-06-27. Copy a ready-made reference:

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