Casio Edifice ECB-40 vs Casio Edifice EFR-S108

Side-by-side comparison of specifications and features

CasioEdifice ECB-40

ECB-40P-1A

CasioEdifice EFR-S108

EFR-S108D-1A

Key Differences

Best Value

Casio Edifice EFR-S108 (EFR-S108D-1A)

Starting from $120

Biggest Price Drop

Casio Edifice EFR-S108 (EFR-S108D-1A)

-2.1% in 30 days

Price Comparison

Casio Edifice ECB-40

MSRP

$200

New

$194

Used

$230

Casio Edifice EFR-S108

MSRP

$120

New

$178

Used

$198

MSRP New (Amazon) Used (eBay)

Comparison of Casio Edifice ECB-40, Casio Edifice EFR-S108
Specification	Casio Edifice ECB-40	Casio Edifice EFR-S108
Pricing
MSRP	$200	$120
New Price	$194	$178
Used Price (Low)	$230	$198
Used Price (High)	$551	$313
30-Day Trend	↓ -0.5%	↓ -2.1%
Used Price Range	$230 - $551	$198 - $313
Identity
Reference	ECB-40P-1A	EFR-S108D-1A
Nickname	N/A	N/A
Style	Sports, Casual	Casual, Sports
Release Era	2000s	2000s
Dimensions
Diameter	48mm	40mm
Thickness	N/A	N/A
Lug Width	N/A	N/A
Lug to Lug	N/A	N/A
Movement
Movement	Quartz	Quartz
Power Reserve / Battery	N/A	N/A
Accuracy	N/A	N/A
Case
Case Material	Stainless Steel	Stainless Steel
Crystal	Mineral Crystal	Sapphire Crystal
Water Resistance	100m (recreational diving)	100m (recreational diving)
Bezel	Fixed	Fixed
Dial
Dial Color	Black	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

Casio Edifice ECB-40 and Casio Edifice EFR-S108 can overlap on price or use case, but the buying decision usually comes down to wrist presence versus easier fit, sports character versus casual versatility, 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.

Casio Edifice ECB-40

Casio Edifice ECB-40 is a better fit for buyers who want more wrist presence, low-maintenance daily wear, sports styling.

Casio Edifice EFR-S108

Casio Edifice EFR-S108 is a better fit for smaller wrists, low-maintenance daily wear, casual styling.

Key Differences

Movement and upkeep

Casio Edifice ECB-40: quartz movement

Casio Edifice EFR-S108: quartz movement

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

Size and wearability

Casio Edifice ECB-40: 48mm

Casio Edifice EFR-S108: 40mm

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

Casio Edifice ECB-40: 100m

Casio Edifice EFR-S108: 100m

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

Price and value

Casio Edifice ECB-40: $194

Casio Edifice EFR-S108: $120

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

Casio Edifice ECB-40: sports

Casio Edifice EFR-S108: casual

Casio Edifice ECB-40 leans more sports, while Casio Edifice EFR-S108 pulls toward casual use case — pick the one that matches how you will actually wear it.

Crystal and materials

Casio Edifice ECB-40: mineral crystal · steel

Casio Edifice EFR-S108: 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 Casio Edifice ECB-40 If...

You prefer more dial presence and a larger case feel.
You are specifically shopping for a sports style watch.
You are comfortable paying more for a stronger feature set.

Choose Casio Edifice EFR-S108 If...

You want a smaller case footprint on the wrist.
You are specifically shopping for a casual style watch.
You want the lower current entry price.

Price and Value Notes

Casio Edifice EFR-S108 is often the value play at current pricing, while Casio Edifice ECB-40 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.

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

Casio Edifice ECB-40

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $359 · Live listings

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

Casio Edifice EFR-S108

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $219 · 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.