Seiko Prospex Speedtimer vs Seiko Prospex Solar Chronograph

Side-by-side comparison of specifications and features

SeikoProspex Speedtimer

SSC813

SeikoProspex Solar Chronograph

SSC081P1

Key Differences

Best Value

Seiko Prospex Solar Chronograph (SSC081P1)

Starting from $350

Slimmest

Seiko Prospex Solar Chronograph (SSC081P1)

13mm thick

Biggest Price Drop

Seiko Prospex Speedtimer (SSC813)

-4.9% in 30 days

Price Comparison

Seiko Prospex Speedtimer

MSRP

$725

New

$787

Used

$604

Seiko Prospex Solar Chronograph

MSRP

$350

Used

$323

MSRP New (Amazon) Used (eBay)

Comparison of Seiko Prospex Speedtimer, Seiko Prospex Solar Chronograph
Specification	Seiko Prospex Speedtimer	Seiko Prospex Solar Chronograph
Pricing
MSRP	$725	$350
New Price	$787	N/A
Used Price (Low)	$604	$323
Used Price (High)	$1,297	$526
30-Day Trend	↓ -4.9%	↑ +24.7%
Used Price Range	$604 - $1,297	$323 - $526
Identity
Reference	SSC813	SSC081P1
Nickname	N/A	N/A
Style	Chronograph, Sports	Chronograph, Pilot
Release Era	2020s	2010s
Dimensions
Diameter	39mm	42mm
Thickness	13.7mm	13mm
Lug Width	20mm	20mm
Lug to Lug	N/A	51mm
Movement
Movement	Solar Powered	Solar Powered
Power Reserve / Battery	N/A	N/A
Accuracy	N/A	N/A
Case
Case Material	Stainless Steel	Stainless Steel
Crystal	Sapphire Crystal	Hardlex
Water Resistance	100m (recreational diving)	100m (recreational diving)
Bezel	Tachymeter	Fixed with tachymeter
Dial
Dial Color	White	Black
Luminous	Yes	Yes
Community
Review Rating	N/A	N/A
In Collections	N/A	N/A
On Wishlists	N/A	N/A
Forum Threads	N/A	N/A

Quick Summary

This Seiko Prospex Speedtimer vs Seiko Prospex Solar Chronograph comparison is less about a universal winner and more about wrist presence versus easier fit, entry price versus premium finishing or specs. Treat it as a value-versus-upgrade decision — confirm the extra spend solves a problem you will notice every week.

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 Speedtimer

Seiko Prospex Speedtimer is a better fit for smaller wrists, low-maintenance daily wear, chronograph styling.

Seiko Prospex Solar Chronograph

Seiko Prospex Solar Chronograph is a better fit for buyers who want more wrist presence, low-maintenance daily wear, chronograph styling.

Key Differences

Movement and upkeep

Seiko Prospex Speedtimer: solar movement

Seiko Prospex Solar Chronograph: 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 Speedtimer: 39mm

Seiko Prospex Solar Chronograph: 42mm · L2L 51mm

Fit is a real separator here — compare case width and lug-to-lug before deciding, especially if wrist comfort matters more than headline features.

Water resistance

Seiko Prospex Speedtimer: 100m

Seiko Prospex Solar Chronograph: 100m

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

Price and value

Seiko Prospex Speedtimer: $650

Seiko Prospex Solar Chronograph: $350

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 Speedtimer: chronograph

Seiko Prospex Solar Chronograph: chronograph

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

Crystal and materials

Seiko Prospex Speedtimer: sapphire crystal · steel

Seiko Prospex Solar Chronograph: Hardlex crystal · steel

Crystal choice can change long-term wear expectations — one may prioritize scratch resistance while the other keeps cost or vintage feel in check.

Choose Seiko Prospex Speedtimer If...

You want a smaller case footprint on the wrist.
You are comfortable paying more for a stronger feature set.

Choose Seiko Prospex Solar Chronograph If...

You prefer more dial presence and a larger case feel.
You want the lower current entry price.

Price and Value Notes

Seiko Prospex Solar Chronograph is often the value play at current pricing, while Seiko Prospex Speedtimer 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 Speedtimer

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $650 · Live listings

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

Seiko Prospex Solar Chronograph

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $430 · 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.