Head-to-Head Comparison

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.

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Longines Master Collection Moonphase

Longines

Master Collection Moonphase

$2,500–$5,000

Rolex Datejust 41

Rolex

Datejust 41

$5,000–$10,000

Specifications Compared

FeatureLongines Master Collection MoonphaseRolex Datejust 41
Price$2,500–$5,000$5,000–$10,000
Case Size40mm41mm
MovementAutomatic Caliber L899Automatic Caliber 3235
Caliber TypeAutomatic (ETA A31.L91 base)Rolex In-House Automatic, Superlative Chronometer (-2/+2 sec/day)
Power Reserve72 Hours70 Hours
Water Resistance30m (3 ATM)100m (10 ATM)
CrystalSapphire CrystalSapphire Crystal with Cyclops
Case MaterialStainless SteelOystersteel
OriginSwiss MadeSwiss Made

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

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.

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Movement & Performance

Edge: Longines

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.

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Wearability & Fit

Edge: Longines

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).

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Value & Cost of Ownership

Edge: Longines

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.

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Water Resistance

Edge: Rolex

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.

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Rolex

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.

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The 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

Neither is objectively better — they serve different preferences. The Longines Master Collection Moonphase ($2,500–$5,000) offers Automatic Caliber L899 with 72 Hours power reserve, while the Rolex Datejust 41 ($5,000–$10,000) features Automatic Caliber 3235 with 100m (10 ATM) water resistance. Choose based on your priorities: Swiss Made craftsmanship vs Swiss Made engineering.
The Longines Master Collection Moonphase offers better upfront value, sitting a tier lower at $2,500–$5,000. However, the Rolex Datejust 41 may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Master Collection Moonphase at 40mm with 30m (3 ATM) water resistance handles everyday situations. The Datejust 41 at 41mm with 100m (10 ATM) is similarly capable. The Master Collection Moonphase uses Sapphire Crystal while the Datejust 41 uses Sapphire Crystal with Cyclops.

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.