How accurate is the Precisionist movement?

Bulova rates Precisionist movements to about 10 seconds a year, well inside typical quartz accuracy. Real-world owners report similarly tight timekeeping.

Can I swim with the 98B356?

No. Its 5 ATM rating covers splashes, rain and brief handwashing, not swimming or showering. Take it off before water activities.

Is the crystal sapphire?

Yes, the 98B356 uses sapphire glass, which resists scratches better than the mineral glass common on watches in its class.

What does the chronograph do?

It times events with pushers on the case side, alongside the date window. It is a stopwatch function, not a second time zone.

Does it need winding?

No. It is quartz and runs on a battery, so it only needs a battery change every few years. There is no automatic rotor to keep moving.

How does it compare with a mechanical chronograph?

It is more accurate and needs no winding, but it lacks the mechanical movement's craftsmanship and resale appeal. It is also lighter and thinner than many automatics.