OLEVS Moon Phase Dress Watch vs Seiko Prospex Samurai SRPF03
OLEVS's dress watch meets Seiko's diver
Quick Verdict
The OLEVS Moon Phase Dress Watch ($100–$150) offers Quartz (Battery) precision in the tier below the Seiko Prospex Samurai SRPF03 ($250–$500). The Moon Phase Dress Watch measures mid-size and is rated for daily wear. The Prospex Samurai SRPF03 counters with Japanese Movement craftsmanship and 200m (20 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | OLEVS Moon Phase Dress Watch | Seiko Prospex Samurai SRPF03 |
|---|---|---|
| Price | $100–$150 | $250–$500 |
| Case Size | — | 43.8mm |
| Movement | Quartz | Automatic Caliber 4R35 |
| Caliber Type | Quartz (Battery) | Seiko Automatic, hand-winding and hacking |
| Power Reserve | — | 41 Hours |
| Water Resistance | — | 200m (20 ATM) |
| Crystal | — | Hardlex Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | OLEVS | Japanese Movement |
Category-by-Category Analysis
Design & Aesthetics
OLEVS's design language vs Seiko's approach
The OLEVS Moon Phase Dress Watch features a Stainless Steel case at mid-size with crystal protection. The Seiko Prospex Samurai SRPF03 offers Stainless Steel construction at 43.8mm with Hardlex Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Quartz vs Automatic Caliber 4R35
The Moon Phase Dress Watch runs the Quartz (Quartz (Battery), standard power reserve) at standard frequency. The Prospex Samurai SRPF03 uses the Automatic Caliber 4R35 (Seiko Automatic, hand-winding and hacking, 41 Hours reserve) at 21,600 vph (3 Hz). The Prospex Samurai SRPF03 offers a longer power reserve.
Wearability & Fit
Mid-size vs 43.8mm — different wrist presence
At 40mm, the Moon Phase Dress Watch wears more compactly on smaller wrists compared to the Prospex Samurai SRPF03 at 43.8mm. Water resistance differs: 50m vs 200m (20 ATM).
Value & Cost of Ownership
OLEVS sits in the lower tier
The OLEVS Moon Phase Dress Watch sits at $100–$150 and the Seiko Prospex Samurai SRPF03 at $250–$500. On the specs that outlast any price: the Moon Phase Dress Watch uses a hardened crystal with a standard reserve, against Hardlex Crystal and 41 Hours on the Prospex Samurai SRPF03. Service intervals are typically 5-7 years for both.
Water Resistance
50m vs 200m (20 ATM)
The Moon Phase Dress Watch is rated to 50m while the Prospex Samurai SRPF03 handles 200m (20 ATM). The Prospex Samurai SRPF03 offers superior water resistance.
Our Verdict
OLEVS
Moon Phase Dress Watch
Choose the OLEVS Moon Phase Dress Watch if you prioritize Quartz (Battery) engineering, OLEVS craftsmanship, and reliable water resistance. At $100–$150, it delivers Quartz with solid power reserve.
Check Price on AmazonSeiko
Prospex Samurai SRPF03
Choose the Seiko Prospex Samurai SRPF03 if you value Seiko Automatic, hand-winding and hacking technology, Japanese Movement heritage, and 43.8mm proportions. At $250–$500, the Automatic Caliber 4R35 with 41 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The OLEVS Moon Phase Dress Watch and Seiko Prospex Samurai SRPF03 represent two distinct approaches to fine watchmaking — the OLEVS bringing OLEVS tradition while Seiko delivers Japanese Movement 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.

