OLEVS Moon Phase Dress Watch vs Seiko Prospex Alpinist
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 Alpinist ($500–$1,000). The Moon Phase Dress Watch measures mid-size and is rated for daily wear. The Prospex Alpinist counters with Made in Japan 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 Alpinist |
|---|---|---|
| Price | $100–$150 | $500–$1,000 |
| Case Size | — | 39.5mm |
| Movement | Quartz | Automatic Caliber 6R35 |
| Caliber Type | Quartz (Battery) | In-House Automatic Manufacture |
| Power Reserve | — | 70 Hours |
| Water Resistance | — | 200m (20 ATM) |
| Crystal | — | Sapphire with Cyclops |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | OLEVS | Made in Japan |
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 Alpinist offers Stainless Steel construction at 39.5mm with Sapphire with Cyclops. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Quartz vs Automatic Caliber 6R35
The Moon Phase Dress Watch runs the Quartz (Quartz (Battery), standard power reserve) at standard frequency. The Prospex Alpinist uses the Automatic Caliber 6R35 (In-House Automatic Manufacture, 70 Hours reserve) at 21,600 vph (3 Hz). The Prospex Alpinist offers a longer power reserve.
Wearability & Fit
Mid-size vs 39.5mm — different wrist presence
At 40mm, the Moon Phase Dress Watch wears more compactly on smaller wrists compared to the Prospex Alpinist at 39.5mm. 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 Alpinist at $500–$1,000. On the specs that outlast any price: the Moon Phase Dress Watch uses a hardened crystal with a standard reserve, against Sapphire with Cyclops and 70 Hours on the Prospex Alpinist. 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 Alpinist handles 200m (20 ATM). The Prospex Alpinist 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 Alpinist
Choose the Seiko Prospex Alpinist if you value In-House Automatic Manufacture technology, Made in Japan heritage, and 39.5mm proportions. At $500–$1,000, the Automatic Caliber 6R35 with 70 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The OLEVS Moon Phase Dress Watch and Seiko Prospex Alpinist represent two distinct approaches to fine watchmaking — the OLEVS bringing OLEVS tradition while Seiko delivers Made in Japan 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.

