Updated
Seiko Presage Cocktail Time SRPE15 vs Rolex Lady-Datejust 26 79174 (steel, white gold fluted bezel, sodalite diamond dial)
Two timepieces compared — $250–$500 vs $10,000–$25,000
Quick Verdict
The Seiko Presage Cocktail Time SRPE15 ($250–$500) offers Seiko In-House Automatic precision in the tier below the Rolex Lady-Datejust 26 79174 (steel, white gold fluted bezel, sodalite diamond dial) ($10,000–$25,000). The Presage Cocktail Time SRPE15 measures 40.5mm and is rated 50m (5 ATM). The Lady-Datejust 26 79174 (steel, white gold fluted bezel, sodalite diamond dial) counters with Swiss Made craftsmanship and 100m (10 ATM) water resistance. Both are exceptional timepieces for their respective tiers.
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Rolex
Lady-Datejust 26 79174 (steel, white gold fluted bezel, sodalite diamond dial)
$10,000–$25,000
Specifications Compared
| Feature | Seiko Presage Cocktail Time SRPE15 | Rolex Lady-Datejust 26 79174 (steel, white gold fluted bezel, sodalite diamond dial) |
|---|---|---|
| Price | $250–$500 | $10,000–$25,000 |
| Case Size | 40.5mm | 26mm |
| Movement | Automatic Caliber 4R35 | Automatic, Rolex calibre 2235, quickset date |
| Caliber Type | Seiko In-House Automatic | Rolex 2235, chronometer certified |
| Power Reserve | 41 Hours | About 42 hours |
| Water Resistance | 50m (5 ATM) | 100m (10 ATM) |
| Crystal | Hardlex Crystal | Sapphire Crystal, Cyclops |
| Case Material | Stainless Steel | Oystersteel with 18k white gold fluted bezel (white Rolesor) |
| Origin | Made in Japan | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Seiko's design language vs Rolex's approach
The Seiko Presage Cocktail Time SRPE15 features a Stainless Steel case at 40.5mm with Hardlex Crystal protection. The Rolex Lady-Datejust 26 79174 (steel, white gold fluted bezel, sodalite diamond dial) offers Oystersteel with 18k white gold fluted bezel (white Rolesor) construction at 26mm with Sapphire Crystal, Cyclops. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Caliber 4R35 vs Automatic, Rolex calibre 2235, quickset date
The Presage Cocktail Time SRPE15 runs the Automatic Caliber 4R35 (Seiko In-House Automatic, 41 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Lady-Datejust 26 79174 (steel, white gold fluted bezel, sodalite diamond dial) uses the Automatic, Rolex calibre 2235, quickset date (Rolex 2235, chronometer certified, About 42 hours reserve) at standard. The Lady-Datejust 26 79174 (steel, white gold fluted bezel, sodalite diamond dial) offers a longer power reserve.
Wearability & Fit
40.5mm vs 26mm — different wrist presence
At 40.5mm, the Presage Cocktail Time SRPE15 has a bolder wrist presence compared to the Lady-Datejust 26 79174 (steel, white gold fluted bezel, sodalite diamond dial) at 26mm. Water resistance differs: 50m (5 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Seiko sits in the lower tier
The Seiko Presage Cocktail Time SRPE15 sits at $250–$500 and the Rolex Lady-Datejust 26 79174 (steel, white gold fluted bezel, sodalite diamond dial) at $10,000–$25,000. On the specs that outlast any price: the Presage Cocktail Time SRPE15 uses Hardlex Crystal with 41 Hours, against Sapphire Crystal, Cyclops and About 42 hours on the Lady-Datejust 26 79174 (steel, white gold fluted bezel, sodalite diamond dial). Service intervals are typically 5-7 years for both.
Water Resistance
50m (5 ATM) vs 100m (10 ATM)
The Presage Cocktail Time SRPE15 is rated to 50m (5 ATM) while the Lady-Datejust 26 79174 (steel, white gold fluted bezel, sodalite diamond dial) handles 100m (10 ATM). The Lady-Datejust 26 79174 (steel, white gold fluted bezel, sodalite diamond dial) offers superior water resistance.
Our Verdict
Seiko
Presage Cocktail Time SRPE15
Choose the Seiko Presage Cocktail Time SRPE15 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 4R35 with 41 Hours power reserve.
Check Price on AmazonRolex
Lady-Datejust 26 79174 (steel, white gold fluted bezel, sodalite diamond dial)
Choose the Rolex Lady-Datejust 26 79174 (steel, white gold fluted bezel, sodalite diamond dial) if you value Rolex 2235, chronometer certified technology, Swiss Made heritage, and 26mm proportions. At $10,000–$25,000, the Automatic, Rolex calibre 2235, quickset date with About 42 hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Seiko Presage Cocktail Time SRPE15 and Rolex Lady-Datejust 26 79174 (steel, white gold fluted bezel, sodalite diamond 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
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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.