Tissot PRX Powermatic 80 vs Bulova Marine Star

Both are everyday watches. In short: the Tissot PRX Powermatic 80 is mechanical (automatic) for the enthusiast feel and no battery; the Bulova Marine Star is quartz for accuracy and low maintenance. The Tissot PRX Powermatic 80 is automatic, 100m water resistance, 40mm, sapphire crystal; the Bulova Marine Star is quartz, 100m water resistance, 44mm, 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	Bulova Marine Star
Movement	Automatic	Quartz
Water resistance	100m	100m
Case size	40mm	44mm
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 Bulova Marine Star is quartz for accuracy and low maintenance
The Tissot PRX Powermatic 80 has a sapphire crystal — more scratch-resistant for daily wear
The Tissot PRX Powermatic 80 wears 40mm vs the Bulova Marine Star's 44mm — choose by wrist size
The Bulova Marine Star sits in the lower price tier (Mid) if budget leads

Where to buy

Tissot PRX Powermatic 80See price on AmazonCheck price

Bulova Marine StarSee price on AmazonCheck price

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FAQ

What's the difference between the Tissot PRX Powermatic 80 and the Bulova Marine Star?
Both are everyday watches. The Tissot PRX Powermatic 80 is automatic, 100m water resistance, 40mm, sapphire crystal; the Bulova Marine Star is quartz, 100m water resistance, 44mm, mineral crystal.

Which is better value, the Tissot PRX Powermatic 80 or the Bulova Marine Star?
The Bulova Marine Star 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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