Head-to-Head Comparison

Updated September 5, 2026

Breguet Marine Dual Time 5857 (18k rose gold, rubber) vs Orient Sun & Moon

Breguet's timepiece meets Orient's dress watch

Quick Verdict

The Orient Sun & Moon ($250–$500) delivers Orient In-House Automatic (Hacking, Hand-Winding) technology in the tier below the Breguet Marine Dual Time 5857 (18k rose gold, rubber) ($25,000+). The Sun & Moon measures 41.5mm and is rated 50m (5 ATM). The Marine Dual Time 5857 (18k rose gold, rubber) justifies its premium with Swiss Made heritage and Automatic, Breguet Calibre 517F. Both represent excellent choices in the luxury watch category.

BreguetMarine Dual Time 5857 (18k rose gold, rubber)$25,000+ Check price View the dossier

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Breguet

Marine Dual Time 5857 (18k rose gold, rubber)

$25,000+

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Orient

Sun & Moon

$250–$500

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Specifications Compared

Feature	Breguet Marine Dual Time 5857 (18k rose gold, rubber)	Orient Sun & Moon
Price	$25,000+	$250–$500
Case Size	42mm	41.5mm
Movement	Automatic, Breguet Calibre 517F	Automatic Caliber F6B24
Caliber Type	Breguet 517F, automatic dual time	Orient In-House Automatic (Hacking, Hand-Winding)
Power Reserve	Per Breguet's published figure for calibre 517F	40 Hours
Water Resistance	100m (10 ATM)	50m (5 ATM)
Crystal	Sapphire Crystal, sapphire caseback	Mineral Glass
Case Material	18k rose gold, fluted caseband, screwed lugs	Stainless Steel
Origin	Swiss Made	Made in Japan

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Breguet's design language vs Orient's approach

The Breguet Marine Dual Time 5857 (18k rose gold, rubber) features a 18k rose gold, fluted caseband, screwed lugs case at 42mm with Sapphire Crystal, sapphire caseback protection. The Orient Sun & Moon offers Stainless Steel construction at 41.5mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Breguet

Automatic, Breguet Calibre 517F vs Automatic Caliber F6B24

The Marine Dual Time 5857 (18k rose gold, rubber) runs the Automatic, Breguet Calibre 517F (Breguet 517F, automatic dual time, Per Breguet's published figure for calibre 517F power reserve) at standard frequency. The Sun & Moon uses the Automatic Caliber F6B24 (Orient In-House Automatic (Hacking, Hand-Winding), 40 Hours reserve) at 21,600 vph (3 Hz). The Marine Dual Time 5857 (18k rose gold, rubber) edges ahead on power reserve.

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Wearability & Fit

Edge: Orient

42mm vs 41.5mm — different wrist presence

At 42mm, the Marine Dual Time 5857 (18k rose gold, rubber) has a bolder wrist presence compared to the Sun & Moon at 41.5mm. Water resistance differs: 100m (10 ATM) vs 50m (5 ATM).

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Value & Cost of Ownership

Edge: Orient

Orient sits in the lower tier

The Breguet Marine Dual Time 5857 (18k rose gold, rubber) sits at $25,000+ and the Orient Sun & Moon at $250–$500. On the specs that outlast any price: the Marine Dual Time 5857 (18k rose gold, rubber) uses Sapphire Crystal, sapphire caseback with Per Breguet's published figure for calibre 517F, against Mineral Glass and 40 Hours on the Sun & Moon. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Breguet

100m (10 ATM) vs 50m (5 ATM)

The Marine Dual Time 5857 (18k rose gold, rubber) is rated to 100m (10 ATM) while the Sun & Moon handles 50m (5 ATM). The Marine Dual Time 5857 (18k rose gold, rubber) is better suited for water activities.

Our Verdict

Breguet

Marine Dual Time 5857 (18k rose gold, rubber)

Choose the Breguet Marine Dual Time 5857 (18k rose gold, rubber) if you prioritize Breguet 517F, automatic dual time engineering, Swiss Made craftsmanship, and 100m (10 ATM) water resistance. At $25,000+, it delivers Automatic, Breguet Calibre 517F with Per Breguet's published figure for calibre 517F power reserve.

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Orient

Sun & Moon

Choose the Orient Sun & Moon if you value Orient In-House Automatic (Hacking, Hand-Winding) technology, Made in Japan heritage, and 41.5mm proportions. At $250–$500, the Automatic Caliber F6B24 with 40 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Breguet Marine Dual Time 5857 (18k rose gold, rubber) and Orient Sun & Moon represent two distinct approaches to fine watchmaking — the Breguet bringing Swiss Made tradition while Orient delivers Made in Japan engineering.

Frequently Asked Questions

For water, the Breguet Marine Dual Time 5857 (18k rose gold, rubber) is rated 100 m against 50 m, which is the difference between swimming and diving on one side and splashes on the other. On price, the Orient Sun & Moon sits a band lower ($250–$500 against $25,000+), so it is the cheaper way into the category. Neither is better at everything; the spec table above shows movement, case size, water resistance and crystal side by side so you can weigh what matters to you. We do not test units, so this is the makers' data, not a bench result.

The Orient Sun & Moon offers better upfront value, sitting a tier lower at $250–$500. However, the Breguet Marine Dual Time 5857 (18k rose gold, rubber) may justify its premium with superior finishing, heritage, or resale value.

Both are suitable for daily wear. The Marine Dual Time 5857 (18k rose gold, rubber) at 42mm with 100m (10 ATM) water resistance handles everyday situations. The Sun & Moon at 41.5mm with 50m (5 ATM) is similarly capable. The Marine Dual Time 5857 (18k rose gold, rubber) uses Sapphire Crystal, sapphire caseback while the Sun & Moon uses Mineral Glass. Sapphire resists scratches noticeably better than mineral glass.

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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.