Longines Master Collection Moonphase vs Rolex Datejust 41
Two dress watchs compared — $2,500–$5,000 vs $5,000–$10,000
Quick Verdict
The Longines Master Collection Moonphase ($2,500–$5,000) offers Automatic (ETA A31.L91 base) precision in the tier below the Rolex Datejust 41 ($5,000–$10,000). The Master Collection Moonphase measures 40mm and is rated 30m (3 ATM). The Datejust 41 counters with Swiss Made craftsmanship and 100m (10 ATM) water resistance. Both are exceptional dress watchs for their respective tiers.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Longines Master Collection Moonphase | Rolex Datejust 41 |
|---|---|---|
| Price | $2,500–$5,000 | $5,000–$10,000 |
| Case Size | 40mm | 41mm |
| Movement | Automatic Caliber L899 | Automatic Caliber 3235 |
| Caliber Type | Automatic (ETA A31.L91 base) | Rolex In-House Automatic, Superlative Chronometer (-2/+2 sec/day) |
| Power Reserve | 72 Hours | 70 Hours |
| Water Resistance | 30m (3 ATM) | 100m (10 ATM) |
| Crystal | Sapphire Crystal | Sapphire Crystal with Cyclops |
| Case Material | Stainless Steel | Oystersteel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Longines's design language vs Rolex's approach
The Longines Master Collection Moonphase features a Stainless Steel case at 40mm with Sapphire Crystal protection. The Rolex Datejust 41 offers Oystersteel construction at 41mm with Sapphire Crystal with Cyclops. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Caliber L899 vs Automatic Caliber 3235
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 Datejust 41 uses the Automatic Caliber 3235 (Rolex In-House Automatic, Superlative Chronometer (-2/+2 sec/day), 70 Hours reserve) at standard. The Master Collection Moonphase edges ahead on power reserve.
Wearability & Fit
40mm vs 41mm — different wrist presence
At 40mm, the Master Collection Moonphase wears more compactly on smaller wrists compared to the Datejust 41 at 41mm. Water resistance differs: 30m (3 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Longines sits in the lower tier
The Longines Master Collection Moonphase sits at $2,500–$5,000 and the Rolex Datejust 41 at $5,000–$10,000. On the specs that outlast any price: the Master Collection Moonphase uses Sapphire Crystal with 72 Hours, against Sapphire Crystal with Cyclops and 70 Hours on the Datejust 41. Service intervals are typically 5-7 years for both.
Water Resistance
30m (3 ATM) vs 100m (10 ATM)
The Master Collection Moonphase is rated to 30m (3 ATM) while the Datejust 41 handles 100m (10 ATM). The Datejust 41 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 AmazonRolex
Datejust 41
Choose the Rolex Datejust 41 if you value Rolex In-House Automatic, Superlative Chronometer (-2/+2 sec/day) technology, Swiss Made heritage, and 41mm proportions. At $5,000–$10,000, the Automatic Caliber 3235 with 70 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Longines Master Collection Moonphase and Rolex Datejust 41 represent two distinct approaches to the dress watch category — the Longines bringing Swiss Made tradition while Rolex delivers Swiss Made engineering.
Frequently Asked Questions
More Comparisons
Frederique Constant Slimline Moonphase vs Longines Master Moonphase
Two moonphase dress watches under $5,000
Tag Heuer Carrera Chronograph vs Longines Master Collection Moonphase
Tag Heuer's chronograph meets Longines's dress watch
Tag Heuer Carrera Chronograph vs Rolex Datejust 41
Tag Heuer's chronograph meets Rolex's dress watch
Explore These Watches
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.

