Updated
Seiko Presage SSA425 Open Heart vs Rolex Oyster Perpetual Date 15238 (18k yellow gold, 34mm, champagne dial)
Two timepieces compared — $250–$500 vs $10,000–$25,000
Quick Verdict
The Seiko Presage SSA425 Open Heart ($250–$500) offers Seiko In-House Automatic precision in the tier below the Rolex Oyster Perpetual Date 15238 (18k yellow gold, 34mm, champagne dial) ($10,000–$25,000). The Presage SSA425 Open Heart measures 40.5mm and is rated 50m (5 ATM). The Oyster Perpetual Date 15238 (18k yellow gold, 34mm, champagne dial) counters with Swiss Made craftsmanship and 100m (10 ATM) water resistance. Both are exceptional timepieces for their respective tiers.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.

Rolex
Oyster Perpetual Date 15238 (18k yellow gold, 34mm, champagne dial)
$10,000–$25,000
Specifications Compared
| Feature | Seiko Presage SSA425 Open Heart | Rolex Oyster Perpetual Date 15238 (18k yellow gold, 34mm, champagne dial) |
|---|---|---|
| Price | $250–$500 | $10,000–$25,000 |
| Case Size | 40.5mm | 34mm |
| Movement | Automatic Caliber 4R38 | Automatic, Rolex calibre 3135, quickset date |
| Caliber Type | Seiko In-House Automatic | Rolex 3135, chronometer certified |
| Power Reserve | 41 Hours | About 48 hours |
| Water Resistance | 50m (5 ATM) | 100m (10 ATM) |
| Crystal | Hardlex Crystal | Sapphire Crystal, Cyclops |
| Case Material | Stainless Steel | 18k yellow gold, fluted bezel |
| Origin | Made in Japan | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Seiko's design language vs Rolex's approach
The Seiko Presage SSA425 Open Heart features a Stainless Steel case at 40.5mm with Hardlex Crystal protection. The Rolex Oyster Perpetual Date 15238 (18k yellow gold, 34mm, champagne dial) offers 18k yellow gold, fluted bezel construction at 34mm with Sapphire Crystal, Cyclops. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Caliber 4R38 vs Automatic, Rolex calibre 3135, quickset date
The Presage SSA425 Open Heart runs the Automatic Caliber 4R38 (Seiko In-House Automatic, 41 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Oyster Perpetual Date 15238 (18k yellow gold, 34mm, champagne dial) uses the Automatic, Rolex calibre 3135, quickset date (Rolex 3135, chronometer certified, About 48 hours reserve) at standard. The Oyster Perpetual Date 15238 (18k yellow gold, 34mm, champagne dial) offers a longer power reserve.
Wearability & Fit
40.5mm vs 34mm — different wrist presence
At 40.5mm, the Presage SSA425 Open Heart has a bolder wrist presence compared to the Oyster Perpetual Date 15238 (18k yellow gold, 34mm, champagne dial) at 34mm. Water resistance differs: 50m (5 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Seiko sits in the lower tier
The Seiko Presage SSA425 Open Heart sits at $250–$500 and the Rolex Oyster Perpetual Date 15238 (18k yellow gold, 34mm, champagne dial) at $10,000–$25,000. On the specs that outlast any price: the Presage SSA425 Open Heart uses Hardlex Crystal with 41 Hours, against Sapphire Crystal, Cyclops and About 48 hours on the Oyster Perpetual Date 15238 (18k yellow gold, 34mm, champagne dial). Service intervals are typically 5-7 years for both.
Water Resistance
50m (5 ATM) vs 100m (10 ATM)
The Presage SSA425 Open Heart is rated to 50m (5 ATM) while the Oyster Perpetual Date 15238 (18k yellow gold, 34mm, champagne dial) handles 100m (10 ATM). The Oyster Perpetual Date 15238 (18k yellow gold, 34mm, champagne dial) offers superior water resistance.
Our Verdict
Seiko
Presage SSA425 Open Heart
Choose the Seiko Presage SSA425 Open Heart if you prioritize Seiko In-House Automatic engineering, Made in Japan craftsmanship, and 50m (5 ATM) water resistance. At $250–$500, it delivers Automatic Caliber 4R38 with 41 Hours power reserve.
Check Price on AmazonRolex
Oyster Perpetual Date 15238 (18k yellow gold, 34mm, champagne dial)
Choose the Rolex Oyster Perpetual Date 15238 (18k yellow gold, 34mm, champagne dial) if you value Rolex 3135, chronometer certified technology, Swiss Made heritage, and 34mm proportions. At $10,000–$25,000, the Automatic, Rolex calibre 3135, quickset date with About 48 hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Seiko Presage SSA425 Open Heart and Rolex Oyster Perpetual Date 15238 (18k yellow gold, 34mm, champagne dial) represent two distinct approaches to the timepiece category — the Seiko bringing Made in Japan tradition while Rolex delivers Swiss Made engineering.
Frequently Asked Questions
More Comparisons
Tag Heuer Carrera Chronograph vs Seiko Presage SSA425 Open Heart
Tag Heuer's chronograph meets Seiko's timepiece
Tag Heuer Carrera Chronograph vs Rolex Oyster Perpetual Date 15238 (18k yellow gold, 34mm, champagne dial)
Tag Heuer's chronograph meets Rolex's timepiece
Tissot PRX Powermatic 80 vs Seiko Presage SSA425 Open Heart
Two timepieces compared — $500–$1,000 vs $250–$500
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.
