Longines Master Collection Moonphase vs Orient Sun & Moon
Two dress watchs compared — $2,500–$5,000 vs $250–$500
Quick Verdict
The Orient Sun & Moon ($250–$500) delivers Orient In-House Automatic (Hacking, Hand-Winding) technology in the tier below the Longines Master Collection Moonphase ($2,500–$5,000). The Sun & Moon measures 41.5mm and is rated 50m (5 ATM). The Master Collection Moonphase justifies its premium with Swiss Made heritage and Automatic Caliber L899. Both represent excellent choices in the dress watch category.
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Specifications Compared
| Feature | Longines Master Collection Moonphase | Orient Sun & Moon |
|---|---|---|
| Price | $2,500–$5,000 | $250–$500 |
| Case Size | 40mm | 41.5mm |
| Movement | Automatic Caliber L899 | Automatic Caliber F6B24 |
| Caliber Type | Automatic (ETA A31.L91 base) | Orient In-House Automatic (Hacking, Hand-Winding) |
| Power Reserve | 72 Hours | 40 Hours |
| Water Resistance | 30m (3 ATM) | 50m (5 ATM) |
| Crystal | Sapphire Crystal | Mineral Glass |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Longines's design language vs Orient's approach
The Longines Master Collection Moonphase features a Stainless Steel case at 40mm with Sapphire Crystal 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.
Movement & Performance
Automatic Caliber L899 vs Automatic Caliber F6B24
The Master Collection Moonphase runs the Automatic Caliber L899 (Automatic (ETA A31.L91 base), 72 Hours power reserve) at 25,200 vph (3.5 Hz) 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 Master Collection Moonphase edges ahead on power reserve.
Wearability & Fit
40mm vs 41.5mm — different wrist presence
At 40mm, the Master Collection Moonphase wears more compactly on smaller wrists compared to the Sun & Moon at 41.5mm. Water resistance differs: 30m (3 ATM) vs 50m (5 ATM).
Value & Cost of Ownership
Orient sits in the lower tier
The Longines Master Collection Moonphase sits at $2,500–$5,000 and the Orient Sun & Moon at $250–$500. On the specs that outlast any price: the Master Collection Moonphase uses Sapphire Crystal with 72 Hours, against Mineral Glass and 40 Hours on the Sun & Moon. Service intervals are typically 5-7 years for both.
Water Resistance
30m (3 ATM) vs 50m (5 ATM)
The Master Collection Moonphase is rated to 30m (3 ATM) while the Sun & Moon handles 50m (5 ATM). The Sun & Moon offers superior water resistance.
Our Verdict
Longines
Master Collection Moonphase
Choose the Longines Master Collection Moonphase if you prioritize Automatic (ETA A31.L91 base) engineering, Swiss Made craftsmanship, and 30m (3 ATM) water resistance. At $2,500–$5,000, it delivers Automatic Caliber L899 with 72 Hours power reserve.
Check Price on AmazonOrient
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.
Check Price on AmazonThe Bottom Line
The Longines Master Collection Moonphase and Orient Sun & Moon represent two distinct approaches to the dress watch category — the Longines bringing Swiss Made tradition while Orient delivers Made in Japan engineering.
Frequently Asked Questions
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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.

