Casio G-Shock GMW-B5000D vs Rolex Oyster Perpetual

Both are everyday watches. In short: the Rolex Oyster Perpetual is mechanical (automatic) for the enthusiast feel and no battery; the Casio G-Shock GMW-B5000D is solar / light-powered for accuracy and low maintenance. The Casio G-Shock GMW-B5000D is solar / light-powered, 200m water resistance, 43mm, sapphire crystal; the Rolex Oyster Perpetual is automatic, 100m water resistance, 41mm, sapphire crystal.

Last verified 2026-06-27 · specs from manufacturer data · tier = price band, confirm the live price at the retailer

Spec	Casio G-Shock GMW-B5000D	Rolex Oyster Perpetual
Movement	Solar / light-powered	Automatic
Water resistance	200m	100m
Case size	43mm	41mm
Crystal	sapphire	sapphire
Style	Everyday / casual	Everyday / casual
Price tier	Upper	Premium

Which should you buy?

The Rolex Oyster Perpetual is mechanical (automatic) for the enthusiast feel and no battery; the Casio G-Shock GMW-B5000D is solar / light-powered for accuracy and low maintenance
The Casio G-Shock GMW-B5000D takes more water (200m) — both are fine for swimming, but it has more margin if you dive
The Casio G-Shock GMW-B5000D wears 43mm vs the Rolex Oyster Perpetual's 41mm — choose by wrist size
The Casio G-Shock GMW-B5000D sits in the lower price tier (Upper) if budget leads

Where to buy

Casio G-Shock GMW-B5000DSee price on AmazonCheck price

Rolex Oyster PerpetualSee price on AmazonCheck price

As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Affiliate links never affect our specs or which watches we compare.

Ordering a watch? Amazon Prime includes fast delivery on eligible items, and eligible new members may be offered a free trial. Delivery speed and return terms vary by item, so check the listing when sizing is a gamble. See if you can try Prime free →

Affiliate link — we may earn a commission on qualifying sign-ups, at no extra cost to you. Current terms are on Amazon's page.

Neither of these quite right? Answer five questions — wrist size, what it's for, battery or automatic, whether it gets wet, budget — and see which of the 128 watches actually fit →

FAQ

What's the difference between the Casio G-Shock GMW-B5000D and the Rolex Oyster Perpetual?
Both are everyday watches. The Casio G-Shock GMW-B5000D is solar / light-powered, 200m water resistance, 43mm, sapphire crystal; the Rolex Oyster Perpetual is automatic, 100m water resistance, 41mm, sapphire crystal.

Which has better water resistance, the Casio G-Shock GMW-B5000D or the Rolex Oyster Perpetual?
The Casio G-Shock GMW-B5000D, rated 200m, versus 100m on the other. Pick 100m or higher for swimming and 200m+ for diving.

Which is better value, the Casio G-Shock GMW-B5000D or the Rolex Oyster Perpetual?
The Casio G-Shock GMW-B5000D is the lower-priced tier; the other steps up in build for more money — confirm both live prices at the retailer.

Citing these specs? Go ahead — manufacturer data, last verified 2026-06-27. Copy a ready-made reference:

More everyday comparisons: Casio F-91W vs Timex Weekender · Casio G-Shock DW5600 vs Casio G-Shock GA-2100 (CasiOak) · Casio G-Shock DW5600 vs Casio G-Shock DW-6900 · Timex Weekender vs Casio A168WA (Casio Royale) · all everyday watches · all comparisons