Head-to-Head Comparison

Orient Bambino Version 2 vs Oris Aquis Date Calibre 400

Orient's dress watch meets Oris's diver

Quick Verdict

The Orient Bambino Version 2 ($150–$250) offers Orient In-House Automatic precision in the tier below the Oris Aquis Date Calibre 400 ($2,500–$5,000). The Bambino Version 2 measures 41mm and is rated 30m (3 ATM). The Aquis Date Calibre 400 counters with Swiss Made craftsmanship and 300m (30 ATM) water resistance. Both are exceptional watches for their respective tiers.

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Orient Bambino Version 2

Orient

Bambino Version 2

$150–$250

Oris Aquis Date Calibre 400

Oris

Aquis Date Calibre 400

$2,500–$5,000

Specifications Compared

FeatureOrient Bambino Version 2Oris Aquis Date Calibre 400
Price$150–$250$2,500–$5,000
Case Size41mm41.5mm
MovementAutomatic Caliber F6724Automatic Calibre 400
Caliber TypeOrient In-House AutomaticOris In-House Manufacture
Power Reserve40 Hours120 Hours (5 Days)
Water Resistance30m (3 ATM)300m (30 ATM)
CrystalDomed Mineral CrystalSapphire Crystal with Anti-Reflective Coating
Case MaterialStainless SteelStainless Steel
OriginMade in JapanSwiss Made

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Orient's design language vs Oris's approach

The Orient Bambino Version 2 features a Stainless Steel case at 41mm with Domed Mineral Crystal protection. The Oris Aquis Date Calibre 400 offers Stainless Steel construction at 41.5mm with Sapphire Crystal with Anti-Reflective Coating. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Oris

Automatic Caliber F6724 vs Automatic Calibre 400

The Bambino Version 2 runs the Automatic Caliber F6724 (Orient In-House Automatic, 40 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Aquis Date Calibre 400 uses the Automatic Calibre 400 (Oris In-House Manufacture, 120 Hours (5 Days) reserve) at 28,800 vph (4 Hz). The Aquis Date Calibre 400 offers a longer power reserve.

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Wearability & Fit

Edge: Orient

41mm vs 41.5mm — different wrist presence

At 41mm, the Bambino Version 2 wears more compactly on smaller wrists compared to the Aquis Date Calibre 400 at 41.5mm. Water resistance differs: 30m (3 ATM) vs 300m (30 ATM).

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Value & Cost of Ownership

Edge: Orient

Orient sits in the lower tier

The Orient Bambino Version 2 sits at $150–$250 and the Oris Aquis Date Calibre 400 at $2,500–$5,000. On the specs that outlast any price: the Bambino Version 2 uses Domed Mineral Crystal with 40 Hours, against Sapphire Crystal with Anti-Reflective Coating and 120 Hours (5 Days) on the Aquis Date Calibre 400. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Oris

30m (3 ATM) vs 300m (30 ATM)

The Bambino Version 2 is rated to 30m (3 ATM) while the Aquis Date Calibre 400 handles 300m (30 ATM). The Aquis Date Calibre 400 offers superior water resistance.

Our Verdict

Orient

Bambino Version 2

Choose the Orient Bambino Version 2 if you prioritize Orient In-House Automatic engineering, Made in Japan craftsmanship, and 30m (3 ATM) water resistance. At $150–$250, it delivers Automatic Caliber F6724 with 40 Hours power reserve.

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Oris

Aquis Date Calibre 400

Choose the Oris Aquis Date Calibre 400 if you value Oris In-House Manufacture technology, Swiss Made heritage, and 41.5mm proportions. At $2,500–$5,000, the Automatic Calibre 400 with 120 Hours (5 Days) power reserve makes it a compelling choice.

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The Bottom Line

The Orient Bambino Version 2 and Oris Aquis Date Calibre 400 represent two distinct approaches to fine watchmaking — the Orient bringing Made in Japan tradition while Oris delivers Swiss Made engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Orient Bambino Version 2 ($150–$250) offers Automatic Caliber F6724 with 40 Hours power reserve, while the Oris Aquis Date Calibre 400 ($2,500–$5,000) features Automatic Calibre 400 with 300m (30 ATM) water resistance. Choose based on your priorities: Made in Japan craftsmanship vs Swiss Made engineering.
The Orient Bambino Version 2 offers better upfront value, sitting a tier lower at $150–$250. However, the Oris Aquis Date Calibre 400 may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Bambino Version 2 at 41mm with 30m (3 ATM) water resistance handles everyday situations. The Aquis Date Calibre 400 at 41.5mm with 300m (30 ATM) is similarly capable. The Bambino Version 2 uses Domed Mineral Crystal while the Aquis Date Calibre 400 uses Sapphire Crystal with Anti-Reflective Coating. Sapphire resists scratches noticeably better than mineral glass.

How This Page Was Made

Our comparisons are generated from a hand-maintained specification database and reviewed under our editorial standards. We use AI tools to assemble pages from that data. We don’t invent specs: every number traces back to the database, and when we correct an entry, the fix is applied site-wide. As an Amazon Associate, The Horologist earns from qualifying purchases.