Casio MTP-1370D vs Casio G-Shock

Side-by-side comparison of specifications and features

CasioMTP-1370D

MTP-1370D

CasioG-Shock

GBM2100A-1A2

Key Differences

Best Value

Casio Montre Homme (Montre Homme)

Starting from $73

Best Water Resistance

Casio Montre Homme (Montre Homme)

50m (2x more)

Biggest Price Drop

Casio G-Shock (GBM2100A-1A2)

-3.8% in 30 days

Price Comparison

Casio MTP-1370D

MSRP

$70

New

$73

Used

$109

Casio G-Shock

New

$247

Used

$255

MSRP New (Amazon) Used (eBay)

Comparison of Casio MTP-1370D, Casio G-Shock
Specification	Casio MTP-1370D	Casio G-Shock
Pricing
MSRP	$70	N/A
New Price	$73	$247
Used Price (Low)	$109	$255
Used Price (High)	$163	$438
30-Day Trend	↓ -1.5%	↓ -3.8%
Used Price Range	$109 - $163	$255 - $438
Identity
Reference	MTP-1370D	GBM2100A-1A2
Nickname	Montre Homme	N/A
Style	Casual, Dress, sport, Sports	Casual
Release Era	N/A	N/A
Dimensions
Diameter	40mm	40mm
Thickness	9mm	N/A
Lug Width	20mm	N/A
Lug to Lug	45mm	N/A
Movement
Movement	Quartz	Quartz
Power Reserve / Battery	N/A	N/A
Accuracy	±20 seconds per month	N/A
Case
Case Material	Stainless Steel	Stainless Steel
Crystal	Mineral Crystal	Mineral Crystal
Water Resistance	50m (swimming)	30m (splash resistant)
Bezel	ion-plated stainless steel	N/A
Dial
Dial Color	White	N/A
Luminous	No	No
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 Montre Homme and Casio G-Shock can overlap on price or use case, but the buying decision usually comes down to 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.

Casio Montre Homme

Casio Montre Homme is a better fit for low-maintenance daily wear, casual styling.

Casio G-Shock

Casio G-Shock is a better fit for low-maintenance daily wear, casual styling.

Key Differences

Movement and upkeep

Casio Montre Homme: quartz movement

Casio G-Shock: 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 Montre Homme: 40mm · L2L 45mm

Casio G-Shock: 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 Montre Homme: 50m

Casio G-Shock: 30m

Water resistance is a meaningful separator here — the higher-rated option gives more flexibility for swimming or rougher daily use.

Price and value

Casio Montre Homme: $73

Casio G-Shock: $247

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 Montre Homme: casual

Casio G-Shock: casual

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

Crystal and materials

Casio Montre Homme: mineral crystal · steel

Casio G-Shock: mineral crystal · steel

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

Choose Casio Montre Homme If...

You want the lower current entry price.

Choose Casio G-Shock If...

You are comfortable paying more for a stronger feature set.

Price and Value Notes

Casio Montre Homme is often the value play at current pricing, while Casio G-Shock 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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Casio Montre Homme

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $135 · Live listings

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Casio G-Shock

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $333 · 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.