Seiko Prospex vs Seiko Prospex

Side-by-side comparison of specifications and features

SeikoProspex

SKX013

SeikoProspex

SPB155 (Baby Alpinist)

Key Differences

Best Value

Seiko Prospex (SKX013)

Starting from $394

Biggest Price Drop

Seiko Prospex (SKX013)

-10.7% in 30 days

Price Comparison

Seiko Prospex

MSRP

$750

New

$984

Used

$351

Seiko Prospex

MSRP

$725

New

$476

Used

$295

MSRP New (Amazon) Used (eBay)

Comparison of Seiko Prospex, Seiko Prospex
Specification	Seiko Prospex	Seiko Prospex
Pricing
MSRP	$750	$725
New Price	$984	$476
Used Price (Low)	$351	$295
Used Price (High)	$1,478	$2,627
30-Day Trend	↓ -10.7%	↓ -8.0%
Used Price Range	$351 - $1,478	$295 - $2,627
Identity
Reference	SKX013	SPB155 (Baby Alpinist)
Nickname	N/A	N/A
Style	Diver, Tool, Sports	Field, Sports, Tool
Release Era	2000s	2010s
Dimensions
Diameter	38mm	38mm
Thickness	N/A	N/A
Lug Width	N/A	N/A
Lug to Lug	N/A	N/A
Movement
Movement	Automatic	Automatic
Power Reserve / Battery	N/A	N/A
Accuracy	N/A	N/A
Case
Case Material	Stainless Steel	Stainless Steel
Crystal	Hardlex	Sapphire Crystal
Water Resistance	200m (diving)	200m (diving)
Bezel	Unidirectional rotating	Fixed
Dial
Dial Color	Black	Green
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 vs Seiko Prospex comparison is less about a universal winner and more about diver character versus field versatility. They both touch the tool and sports 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 mechanical-watch enthusiasts, diver styling.

Seiko Prospex

Seiko Prospex is a better fit for mechanical-watch enthusiasts, field styling.

Key Differences

Movement and upkeep

Seiko Prospex: automatic 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: 38mm

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

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

Price and value

Seiko Prospex: $394

Seiko Prospex: $476

These two often land in a similar price band — which usually means fit, features, and current deal quality matter more than the sticker price.

Style and use case

Seiko Prospex: diver

Seiko Prospex: field

Seiko Prospex leans more diver, while Seiko Prospex pulls toward field use case — pick the one that matches how you will actually wear it.

Crystal and materials

Seiko Prospex: Hardlex crystal · steel

Seiko Prospex: sapphire 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 If...

You are specifically shopping for a diver style watch.

Choose Seiko Prospex If...

You are specifically shopping for a field style watch.

Price and Value Notes

Seiko Prospex usually offers the lower entry price — confirm current listings because marketplace pricing can move quickly.

These two often land in a similar price band — which usually means fit, features, and current deal quality matter more than the sticker price.

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.

WatchCompared may earn a commission from qualifying purchases through affiliate links. This does not change your price.

Seiko Prospex

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $394 · Live listings

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

Seiko Prospex

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $483 · 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.