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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.

OLEVSMoon Phase Dress Watch$100–$150 Check price SeikoProspex Samurai SRPF03$250–$500 Check price

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OLEVS Moon Phase Dress Watch

OLEVS

Moon Phase Dress Watch

$100–$150

Check Price Full Review
Seiko Prospex Samurai SRPF03

Seiko

Prospex Samurai SRPF03

$250–$500

Check Price Full Review

Specifications Compared

FeatureOLEVS Moon Phase Dress WatchSeiko Prospex Samurai SRPF03
Price$100–$150$250–$500
Case Size—43.8mm
MovementQuartzAutomatic Caliber 4R35
Caliber TypeQuartz (Battery)Seiko Automatic, hand-winding and hacking
Power Reserve—41 Hours
Water Resistance—200m (20 ATM)
Crystal—Hardlex Crystal
Case MaterialStainless SteelStainless Steel
OriginOLEVSJapanese Movement

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

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

Edge: Seiko

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.

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Wearability & Fit

Edge: OLEVS

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).

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Value & Cost of Ownership

Edge: OLEVS

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

Edge: Seiko

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.

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Seiko

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.

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The 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

The Seiko Prospex Samurai SRPF03 is the better buy if you want a mechanical movement; the OLEVS Moon Phase Dress Watch is the better buy if you want quartz accuracy with no servicing. On price, the OLEVS Moon Phase Dress Watch sits a band lower ($100–$150 against $250–$500), so it is the cheaper way into the category. Neither is better at everything; the spec table above shows movement, case size, water resistance and crystal side by side so you can weigh what matters to you. We do not test units, so this is the makers' data, not a bench result.
The OLEVS Moon Phase Dress Watch offers better upfront value, sitting a tier lower at $100–$150. However, the Seiko Prospex Samurai SRPF03 may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Moon Phase Dress Watch at 40mm with 50m water resistance handles everyday situations. The Prospex Samurai SRPF03 at 43.8mm with 200m (20 ATM) is similarly capable. Check each model's crystal material if scratch resistance matters to you.

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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.