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Rolex Datejust 1600 (steel, smooth bezel, blue Buckley dial, about 1971, box) vs Rolex Day-Date 1803 (18k white gold, diamond dial, President, about 1970)
Two timepieces compared — $10,000–$25,000 vs $10,000–$25,000
Quick Verdict
The Rolex Datejust 1600 (steel, smooth bezel, blue Buckley dial, about 1971, box) ($10,000–$25,000) and Rolex Day-Date 1803 (18k white gold, diamond dial, President, about 1970) ($10,000–$25,000) are closely matched timepieces at similar price points. The Datejust 1600 (steel, smooth bezel, blue Buckley dial, about 1971, box) emphasizes Rolex 1570, chronometer certified engineering while the Day-Date 1803 (18k white gold, diamond dial, President, about 1970) focuses on Swiss Made craftsmanship.
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Rolex
Datejust 1600 (steel, smooth bezel, blue Buckley dial, about 1971, box)
$10,000–$25,000
Rolex
Day-Date 1803 (18k white gold, diamond dial, President, about 1970)
$10,000–$25,000
Specifications Compared
| Feature | Rolex Datejust 1600 (steel, smooth bezel, blue Buckley dial, about 1971, box) | Rolex Day-Date 1803 (18k white gold, diamond dial, President, about 1970) |
|---|---|---|
| Price | $10,000–$25,000 | $10,000–$25,000 |
| Case Size | 36mm | 36mm |
| Movement | Automatic, Rolex calibre 1570 (non-quickset date) | Automatic; Rolex calibre 1556 for the 1803 (the listing says 3055 with quickset, which is the later 18039; ask) |
| Caliber Type | Rolex 1570, chronometer certified | Rolex, chronometer certified |
| Power Reserve | About 48 hours | About 42 hours |
| Water Resistance | 50m (5 ATM) per Rolex for the period | 50m (5 ATM) per Rolex for the period |
| Crystal | Acrylic, Cyclops | Acrylic on the 1803 as made (the listing says sapphire; ask) |
| Case Material | Stainless steel, smooth domed bezel | 18k white gold, fluted bezel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Rolex's design language vs Rolex's approach
The Rolex Datejust 1600 (steel, smooth bezel, blue Buckley dial, about 1971, box) features a Stainless steel, smooth domed bezel case at 36mm with Acrylic, Cyclops protection. The Rolex Day-Date 1803 (18k white gold, diamond dial, President, about 1970) offers 18k white gold, fluted bezel construction at 36mm with Acrylic on the 1803 as made (the listing says sapphire; ask). Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic, Rolex calibre 1570 (non-quickset date) vs Automatic; Rolex calibre 1556 for the 1803 (the listing says 3055 with quickset, which is the later 18039; ask)
The Datejust 1600 (steel, smooth bezel, blue Buckley dial, about 1971, box) runs the Automatic, Rolex calibre 1570 (non-quickset date) (Rolex 1570, chronometer certified, About 48 hours power reserve) at standard frequency. The Day-Date 1803 (18k white gold, diamond dial, President, about 1970) uses the Automatic; Rolex calibre 1556 for the 1803 (the listing says 3055 with quickset, which is the later 18039; ask) (Rolex, chronometer certified, About 42 hours reserve) at standard. The Datejust 1600 (steel, smooth bezel, blue Buckley dial, about 1971, box) edges ahead on power reserve.
Wearability & Fit
36mm vs 36mm — different wrist presence
At 36mm, the Datejust 1600 (steel, smooth bezel, blue Buckley dial, about 1971, box) is similarly sized compared to the Day-Date 1803 (18k white gold, diamond dial, President, about 1970) at 36mm. Water resistance differs: 50m (5 ATM) per Rolex for the period vs 50m (5 ATM) per Rolex for the period.
Value & Cost of Ownership
Same tier — different value propositions
The Rolex Datejust 1600 (steel, smooth bezel, blue Buckley dial, about 1971, box) sits at $10,000–$25,000 and the Rolex Day-Date 1803 (18k white gold, diamond dial, President, about 1970) at $10,000–$25,000. On the specs that outlast any price: the Datejust 1600 (steel, smooth bezel, blue Buckley dial, about 1971, box) uses Acrylic, Cyclops with About 48 hours, against Acrylic on the 1803 as made (the listing says sapphire; ask) and About 42 hours on the Day-Date 1803 (18k white gold, diamond dial, President, about 1970). Service intervals are typically 5-7 years for both.
Water Resistance
50m (5 ATM) per Rolex for the period vs 50m (5 ATM) per Rolex for the period
The Datejust 1600 (steel, smooth bezel, blue Buckley dial, about 1971, box) is rated to 50m (5 ATM) per Rolex for the period while the Day-Date 1803 (18k white gold, diamond dial, President, about 1970) handles 50m (5 ATM) per Rolex for the period. Both offer identical water resistance ratings.
Our Verdict
Rolex
Datejust 1600 (steel, smooth bezel, blue Buckley dial, about 1971, box)
Choose the Rolex Datejust 1600 (steel, smooth bezel, blue Buckley dial, about 1971, box) if you prioritize Rolex 1570, chronometer certified engineering, Swiss Made craftsmanship, and 50m (5 ATM) per Rolex for the period water resistance. At $10,000–$25,000, it delivers Automatic, Rolex calibre 1570 (non-quickset date) with About 48 hours power reserve.
Check Price on AmazonRolex
Day-Date 1803 (18k white gold, diamond dial, President, about 1970)
Choose the Rolex Day-Date 1803 (18k white gold, diamond dial, President, about 1970) if you value Rolex, chronometer certified technology, Swiss Made heritage, and 36mm proportions. At $10,000–$25,000, the Automatic; Rolex calibre 1556 for the 1803 (the listing says 3055 with quickset, which is the later 18039; ask) with About 42 hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Rolex Datejust 1600 (steel, smooth bezel, blue Buckley dial, about 1971, box) and Rolex Day-Date 1803 (18k white gold, diamond dial, President, about 1970) represent two distinct approaches to the timepiece category — the Rolex bringing Swiss Made tradition while Rolex delivers Swiss Made 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.