Hamilton Intra-Matic Auto Chronograph vs Rolex Datejust 41
Hamilton's chronograph meets Rolex's dress watch
Quick Verdict
The Hamilton Intra-Matic Auto Chronograph ($2,500–$5,000) offers Valjoux-Based Automatic Chronograph precision in the tier below the Rolex Datejust 41 ($5,000–$10,000). The Intra-Matic Auto Chronograph measures 40mm and is rated 100m (10 ATM). The Datejust 41 counters with Swiss Made craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches 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 | Hamilton Intra-Matic Auto Chronograph | Rolex Datejust 41 |
|---|---|---|
| Price | $2,500–$5,000 | $5,000–$10,000 |
| Case Size | 40mm | 41mm |
| Movement | Automatic H-31 | Automatic Caliber 3235 |
| Caliber Type | Valjoux-Based Automatic Chronograph | Rolex In-House Automatic, Superlative Chronometer (-2/+2 sec/day) |
| Power Reserve | 60 Hours | 70 Hours |
| Water Resistance | 100m (10 ATM) | 100m (10 ATM) |
| Crystal | Sapphire (Domed) | Sapphire Crystal with Cyclops |
| Case Material | Stainless Steel | Oystersteel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Hamilton's design language vs Rolex's approach
The Hamilton Intra-Matic Auto Chronograph features a Stainless Steel case at 40mm with Sapphire (Domed) 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 H-31 vs Automatic Caliber 3235
The Intra-Matic Auto Chronograph runs the Automatic H-31 (Valjoux-Based Automatic Chronograph, 60 Hours power reserve) at 28,800 vph (4 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 Datejust 41 offers a longer power reserve.
Wearability & Fit
40mm vs 41mm — different wrist presence
At 40mm, the Intra-Matic Auto Chronograph wears more compactly on smaller wrists compared to the Datejust 41 at 41mm. Water resistance differs: 100m (10 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Hamilton sits in the lower tier
The Hamilton Intra-Matic Auto Chronograph sits at $2,500–$5,000 and the Rolex Datejust 41 at $5,000–$10,000. On the specs that outlast any price: the Intra-Matic Auto Chronograph uses Sapphire (Domed) with 60 Hours, against Sapphire Crystal with Cyclops and 70 Hours on the Datejust 41. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 100m (10 ATM)
The Intra-Matic Auto Chronograph is rated to 100m (10 ATM) while the Datejust 41 handles 100m (10 ATM). Both offer identical water resistance ratings.
Our Verdict
Hamilton
Intra-Matic Auto Chronograph
Choose the Hamilton Intra-Matic Auto Chronograph if you prioritize Valjoux-Based Automatic Chronograph engineering, Swiss Made craftsmanship, and 100m (10 ATM) water resistance. At $2,500–$5,000, it delivers Automatic H-31 with 60 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 Hamilton Intra-Matic Auto Chronograph and Rolex Datejust 41 represent two distinct approaches to fine watchmaking — the Hamilton bringing Swiss Made tradition while Rolex delivers Swiss Made engineering.
Frequently Asked Questions
More Comparisons
Bulova Lunar Pilot vs Hamilton Intra-Matic Chrono
Moon-worn quartz precision meets Swiss automatic heritage
Tag Heuer Carrera Chronograph vs Hamilton Intra-Matic Auto Chronograph
Two chronographs compared — $2,500–$5,000 vs $2,500–$5,000
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.