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Seiko Prospex vs Seiko Solar

Side-by-side comparison of specifications and features

Seiko Prospex — Black dial, steel case
SeikoProspex
Seiko Solar — Black dial, steel case
SeikoSolar

Key Differences

Best Value
Seiko Prospex (Ref. SNE573 (solar diver))
Starting from $350
Biggest Price Drop
Seiko Solar (SNE529)
-8.5% in 30 days

Price Comparison

Seiko Prospex
MSRP
$350
New
$500
Used
$357
Seiko Solar
MSRP
$475
New
$429
Used
$382
MSRP New (Amazon) Used (eBay)
Comparison of Seiko Prospex, Seiko Solar
Specification
Prospex
Solar
Pricing
MSRP$350$475
New Price$500$429
Used Price (Low)$357$382
Used Price (High)$2,520$1,151
30-Day Trend+60.2%-8.5%
Used Price Range$357 - $2,520$382 - $1,151
Identity
ReferenceSNE573 (solar diver)SNE529
NicknameN/AN/A
StyleDiver, ToolDiver, Sports, Tool
Release Era2000s2010s
Dimensions
Diameter38.5mm37mm
ThicknessN/AN/A
Lug WidthN/AN/A
Lug to LugN/AN/A
Movement
MovementSolar PoweredSolar Powered
Power Reserve / BatteryN/AN/A
AccuracyN/AN/A
Case
Case MaterialStainless SteelStainless Steel
CrystalSapphire CrystalSapphire Crystal
Water Resistance200m (diving)200m (diving)
BezelUnidirectional rotatingUnidirectional rotating
Dial
Dial ColorBlackBlack
LuminousYesYes
Community
Review RatingN/AN/A
In CollectionsN/AN/A
On WishlistsN/AN/A
Forum ThreadsN/AN/A

Quick Summary

If you are deciding between Seiko Prospex and Seiko Solar, the real decision is usually about fit, features, and current pricing. They both touch the diver and tool use case, so smaller spec differences can matter more than brand preference.

How to choose

The biggest practical difference is usually movement and upkeep. Start with wrist fit and movement preference, then use water resistance and price to break the tie.

Seiko Prospex

Seiko Prospex is a better fit for low-maintenance daily wear, diver styling.

Seiko Solar

Seiko Solar is a better fit for low-maintenance daily wear, diver styling.

Key Differences

Movement and upkeep

Seiko Prospex: solar movement

Seiko Solar: solar movement

Both use the same movement type, so maintenance differences are limited and fit or feature details should decide the purchase.

Size and wearability

Seiko Prospex: 38.5mm

Seiko Solar: 37mm

Their size profiles are relatively close, so fit comes down to shape, weight, and how each watch sits on your wrist.

Water resistance

Seiko Prospex: 200m

Seiko Solar: 200m

Water resistance is similar on paper, so focus on fit, features, and price instead.

Price and value

Seiko Prospex: $350

Seiko Solar: $475

There is a real price gap here — treat the more expensive option as an upgrade decision and confirm whether the extra spend buys something you will notice in weekly use.

Style and use case

Seiko Prospex: diver

Seiko Solar: diver

Both lean into a similar diver use case — the choice is more about fit, features, and price than category.

Crystal and materials

Seiko Prospex: sapphire crystal · steel

Seiko Solar: sapphire crystal · steel

Materials are broadly similar, so finish, fit, and price will matter more than the materials list alone.

Choose Seiko Prospex If...

  • You want the lower current entry price.

Choose Seiko Solar If...

  • You are comfortable paying more for a stronger feature set.

Price and Value Notes

Seiko Prospex is often the value play at current pricing, while Seiko Solar makes more sense if you will use its extra features regularly.

There is a real price gap here — treat the more expensive option as an upgrade decision and confirm whether the extra spend buys something you will notice in weekly use.

Where to Check Deals

Check current deals on Amazon and eBay using the buttons below — listing prices, seller quality, and condition can change quickly.

Check current deals on Amazon and eBay

Prices change often, so compare the latest listings and condition options before you buy.

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Seiko Prospex

Check Price on AmazonOpens in new tab · Price may vary
Check Price on eBayFrom $689 · Live listings

Affiliate links — WatchCompared earns a commission on qualifying purchases. This doesn't affect your price.

Seiko Solar

Check Price on AmazonOpens in new tab · Price may vary
Check Price on eBayFrom $514 · Live listings

Affiliate links — WatchCompared earns a commission on qualifying purchases. This doesn't affect your price.

Comparison FAQ

Which one is better for smaller wrists?

Start with case width and lug-to-lug. The watch that looks smaller on paper is often the safer choice, but lug shape and thickness still affect how it wears.

Which is better for swimming or rough daily wear?

Use the water resistance row as the first filter. Higher ratings generally give more flexibility for swimming and water exposure, but strap choice and overall condition still matter.

Should I choose based on price alone?

Price matters, but the better buy is the watch that matches your fit, feature priorities, and use case. Check live listings first, then decide whether the price gap actually changes the ownership experience.

More Comparison Tools & Guides

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