Casio MTP-V001 vs Orient Sun & Moon RA-AK

Both are dress watches. In short: the Orient Sun & Moon RA-AK is mechanical (automatic) for the enthusiast feel and no battery; the Casio MTP-V001 is quartz for accuracy and low maintenance. The Casio MTP-V001 is quartz, 30m water resistance, 39mm, mineral crystal; the Orient Sun & Moon RA-AK is automatic, 50m water resistance, 42.5mm, mineral crystal.

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

Spec	Casio MTP-V001	Orient Sun & Moon RA-AK
Movement	Quartz	Automatic
Water resistance	30m	50m
Case size	39mm	42.5mm
Crystal	mineral	mineral
Style	Dress	Dress
Price tier	Entry	Mid

Which should you buy?

The Orient Sun & Moon RA-AK is mechanical (automatic) for the enthusiast feel and no battery; the Casio MTP-V001 is quartz for accuracy and low maintenance
The Orient Sun & Moon RA-AK takes more water (50m) — better with splashes, but neither is rated for regular swimming (100m)
The Casio MTP-V001 wears 39mm vs the Orient Sun & Moon RA-AK's 42.5mm — choose by wrist size
The Casio MTP-V001 sits in the lower price tier (Entry) if budget leads

Where to buy

Casio MTP-V001See price on AmazonCheck price

Orient Sun & Moon RA-AKSee price on AmazonCheck price

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FAQ

What's the difference between the Casio MTP-V001 and the Orient Sun & Moon RA-AK?
Both are dress watches. The Casio MTP-V001 is quartz, 30m water resistance, 39mm, mineral crystal; the Orient Sun & Moon RA-AK is automatic, 50m water resistance, 42.5mm, mineral crystal.

Which has better water resistance, the Casio MTP-V001 or the Orient Sun & Moon RA-AK?
The Orient Sun & Moon RA-AK, rated 50m, versus 30m on the other. Pick 100m or higher for swimming and 200m+ for diving.

Which is better value, the Casio MTP-V001 or the Orient Sun & Moon RA-AK?
The Casio MTP-V001 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:

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