Orient Bambino V2 vs Orient Sun & Moon RA-AK

Both are dress watches. In short: the Orient Sun & Moon RA-AK takes more water (50m) — better with splashes, but neither is rated for regular swimming (100m). The Orient Bambino V2 is automatic, 30m water resistance, 40.5mm, 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	Orient Bambino V2	Orient Sun & Moon RA-AK
Movement	Automatic	Automatic
Water resistance	30m	50m
Case size	40.5mm	42.5mm
Crystal	mineral	mineral
Style	Dress	Dress
Price tier	Entry	Mid

Which should you buy?

The Orient Sun & Moon RA-AK takes more water (50m) — better with splashes, but neither is rated for regular swimming (100m)
The Orient Bambino V2 wears 40.5mm vs the Orient Sun & Moon RA-AK's 42.5mm — choose by wrist size
The Orient Bambino V2 sits in the lower price tier (Entry) if budget leads

Where to buy

Orient Bambino V2See price on AmazonCheck price

Orient Sun & Moon RA-AKSee 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 Orient Bambino V2 and the Orient Sun & Moon RA-AK?
Both are dress watches. The Orient Bambino V2 is automatic, 30m water resistance, 40.5mm, mineral crystal; the Orient Sun & Moon RA-AK is automatic, 50m water resistance, 42.5mm, mineral crystal.

Which has better water resistance, the Orient Bambino V2 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 Orient Bambino V2 or the Orient Sun & Moon RA-AK?
The Orient Bambino V2 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 dress comparisons: Orient Bambino V2 vs Casio MTP-V001 · Seiko Presage Cocktail Time vs Citizen Eco-Drive Corso · Tissot Gentleman Powermatic 80 vs Hamilton Jazzmaster Open Heart · Tissot Gentleman Powermatic 80 vs Orient Star Contemporary RE-AU · dress watches under ~$600 · all dress watches · all comparisons