Casio G-Shock vs Glycine Airman Contemporary Worldtimer

Side-by-side comparison of specifications and features

CasioG-Shock

GMD-S5600

GlycineAirman Contemporary Worldtimer

GL1021

Key Differences

Best Value

Casio G-Shock (GMD-S5600)

Starting from $110

Best Water Resistance

Casio G-Shock (GMD-S5600)

200m (2x more)

Biggest Price Drop

Casio G-Shock (GMD-S5600)

-3.1% in 30 days

Price Comparison

Casio G-Shock

MSRP

$150

New

$110

Used

$96

Glycine Airman Contemporary Worldtimer

MSRP

$162

MSRP New (Amazon) Used (eBay)

Comparison of Casio G-Shock, Glycine Airman Contemporary Worldtimer
Specification	Casio G-Shock	Glycine Airman Contemporary Worldtimer
Pricing
MSRP	$150	$162
New Price	$110	N/A
Used Price (Low)	$96	N/A
Used Price (High)	$341	N/A
30-Day Trend	↓ -3.1%	N/A
Used Price Range	$96 - $341	N/A
Identity
Reference	GMD-S5600	GL1021
Nickname	N/A	N/A
Style	Digital, Sports, Tool	Sports
Release Era	1980s	N/A
Dimensions
Diameter	43.8mm	42mm
Thickness	N/A	13.5mm
Lug Width	N/A	22mm
Lug to Lug	N/A	50mm
Movement
Movement	Quartz	Quartz
Power Reserve / Battery	N/A	N/A
Accuracy	N/A	N/A
Case
Case Material	Resin	Stainless Steel
Crystal	Mineral Crystal	Mineral Crystal
Water Resistance	200m (diving)	100m (recreational diving)
Bezel	Fixed	N/A
Dial
Dial Color	Black	N/A
Luminous	Yes	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 G-Shock and Glycine Airman Contemporary Worldtimer can overlap on price or use case, but the buying decision usually comes down to wrist presence versus easier fit, water-ready utility versus dressier everyday wear, digital character versus sports versatility. They both touch the 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.

Casio G-Shock

Casio G-Shock is a better fit for buyers who want more wrist presence, low-maintenance daily wear, digital styling.

Glycine Airman Contemporary Worldtimer

Glycine Airman Contemporary Worldtimer is a better fit for smaller wrists, low-maintenance daily wear, sports styling.

Key Differences

Movement and upkeep

Casio G-Shock: quartz movement

Glycine Airman Contemporary Worldtimer: 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 G-Shock: 43.8mm

Glycine Airman Contemporary Worldtimer: 42mm · L2L 50mm

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 G-Shock: 200m

Glycine Airman Contemporary Worldtimer: 100m

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

Price and value

Casio G-Shock: $110

Glycine Airman Contemporary Worldtimer: $162

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 G-Shock: digital

Glycine Airman Contemporary Worldtimer: sports

Casio G-Shock leans more digital, while Glycine Airman Contemporary Worldtimer pulls toward sports use case — pick the one that matches how you will actually wear it.

Crystal and materials

Casio G-Shock: mineral crystal · resin

Glycine Airman Contemporary Worldtimer: mineral crystal · steel

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

Choose Casio G-Shock If...

Swimming, beach use, or tougher daily wear is part of the plan.
You are specifically shopping for a digital style watch.
You want the lower current entry price.

Choose Glycine Airman Contemporary Worldtimer If...

You are specifically shopping for a sports style watch.
You are comfortable paying more for a stronger feature set.

Price and Value Notes

Casio G-Shock is often the value play at current pricing, while Glycine Airman Contemporary Worldtimer 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 G-Shock

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $129 · Live listings

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Glycine Airman Contemporary Worldtimer

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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.