Casio Edifice EFV-540 vs Seiko Prospex Speedtimer Solar SSC813
Both are chronograph watches — here's how the specs differ and which to pick.
| Spec | Casio Edifice EFV-540 | Seiko Prospex Speedtimer Solar SSC813 |
|---|---|---|
| Movement | Quartz | Solar / light-powered |
| Water resistance | 100m | 100m |
| Case size | 44mm | 39mm |
| Crystal | mineral | sapphire |
| Style | Chronograph | Chronograph |
| Price tier | Entry | Mid |
Which should you buy?
- their movements differ — Casio Edifice EFV-540: quartz, Seiko Prospex Speedtimer Solar SSC813: solar / light-powered
- the Seiko Prospex Speedtimer Solar SSC813 has a sapphire crystal — more scratch-resistant for daily wear
- the Casio Edifice EFV-540 wears 44mm vs the Seiko Prospex Speedtimer Solar SSC813's 39mm — choose by wrist size
- the Casio Edifice EFV-540 sits in the lower price tier (Entry) if budget leads
Where to buy
Check the Casio Edifice EFV-540 price on Amazon →
Check the Seiko Prospex Speedtimer Solar SSC813 price on Amazon →
FAQ
What's the difference between the Casio Edifice EFV-540 and the Seiko Prospex Speedtimer Solar SSC813?
Both are chronograph watches. The Casio Edifice EFV-540 is quartz, 100m water resistance, 44mm, mineral crystal; the Seiko Prospex Speedtimer Solar SSC813 is solar / light-powered, 100m water resistance, 39mm, sapphire crystal.
Which is better value, the Casio Edifice EFV-540 or the Seiko Prospex Speedtimer Solar SSC813?
The Casio Edifice EFV-540 is the lower-priced tier; the other steps up in build for more money — confirm both live prices at the retailer.
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