Head-to-Head Comparison

Updated September 5, 2026

Casio Pro Trek PRW3500T-7 vs Orient Sun & Moon

Casio's diver meets Orient's dress watch

Quick Verdict

The Casio Pro Trek PRW3500T-7 ($250–$500) and Orient Sun & Moon ($250–$500) are closely matched timepieces at similar price points. The Pro Trek PRW3500T-7 emphasizes Tough Solar Quartz, Multi-Band 6 engineering while the Sun & Moon focuses on Made in Japan craftsmanship.

CasioPro Trek PRW3500T-7$250–$500 Check price View the dossier

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Casio

Pro Trek PRW3500T-7

$250–$500

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Orient

Sun & Moon

$250–$500

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Specifications Compared

Feature	Casio Pro Trek PRW3500T-7	Orient Sun & Moon
Price	$250–$500	$250–$500
Case Size	56.9 × 53.4 × 14.8mm	41.5mm
Movement	Tough Solar (Solar Quartz), Radio-Controlled	Automatic Caliber F6B24
Caliber Type	Tough Solar Quartz, Multi-Band 6	Orient In-House Automatic (Hacking, Hand-Winding)
Power Reserve	Tough Solar (Rechargeable)	40 Hours
Water Resistance	200m (20 ATM)	50m (5 ATM)
Crystal	Mineral Glass	Mineral Glass
Case Material	Resin / Stainless Steel, Titanium Bracelet	Stainless Steel
Origin	Casio (Japan)	Made in Japan

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Casio's design language vs Orient's approach

The Casio Pro Trek PRW3500T-7 features a Resin / Stainless Steel, Titanium Bracelet case at 56.9 × 53.4 × 14.8mm with Mineral Glass protection. The Orient Sun & Moon offers Stainless Steel construction at 41.5mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Orient

Tough Solar (Solar Quartz), Radio-Controlled vs Automatic Caliber F6B24

The Pro Trek PRW3500T-7 runs the Tough Solar (Solar Quartz), Radio-Controlled (Tough Solar Quartz, Multi-Band 6, Tough Solar (Rechargeable) power reserve) at standard frequency. The Sun & Moon uses the Automatic Caliber F6B24 (Orient In-House Automatic (Hacking, Hand-Winding), 40 Hours reserve) at 21,600 vph (3 Hz). The Sun & Moon offers a longer power reserve.

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Wearability & Fit

Edge: Orient

56.9 × 53.4 × 14.8mm vs 41.5mm — different wrist presence

At 56.9 × 53.4 × 14.8mm, the Pro Trek PRW3500T-7 has a bolder wrist presence compared to the Sun & Moon at 41.5mm. Water resistance differs: 200m (20 ATM) vs 50m (5 ATM).

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Value & Cost of Ownership

Edge: Draw

Same tier — different value propositions

The Casio Pro Trek PRW3500T-7 sits at $250–$500 and the Orient Sun & Moon at $250–$500. On the specs that outlast any price: the Pro Trek PRW3500T-7 uses Mineral Glass with Tough Solar (Rechargeable), against Mineral Glass and 40 Hours on the Sun & Moon. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Casio

200m (20 ATM) vs 50m (5 ATM)

The Pro Trek PRW3500T-7 is rated to 200m (20 ATM) while the Sun & Moon handles 50m (5 ATM). The Pro Trek PRW3500T-7 is better suited for water activities.

Our Verdict

Casio

Pro Trek PRW3500T-7

Choose the Casio Pro Trek PRW3500T-7 if you prioritize Tough Solar Quartz, Multi-Band 6 engineering, Casio (Japan) craftsmanship, and 200m (20 ATM) water resistance. At $250–$500, it delivers Tough Solar (Solar Quartz), Radio-Controlled with Tough Solar (Rechargeable) power reserve.

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Orient

Sun & Moon

Choose the Orient Sun & Moon if you value Orient In-House Automatic (Hacking, Hand-Winding) technology, Made in Japan heritage, and 41.5mm proportions. At $250–$500, the Automatic Caliber F6B24 with 40 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Casio Pro Trek PRW3500T-7 and Orient Sun & Moon represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Orient delivers Made in Japan engineering.

Frequently Asked Questions

The Orient Sun & Moon is the better buy if you want a mechanical movement; the Casio Pro Trek PRW3500T-7 is the better buy if you want solar power and quartz accuracy with no servicing. For water, the Casio Pro Trek PRW3500T-7 is rated 200 m against 50 m, which is the difference between swimming and diving on one side and splashes on the other. 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.

Both are priced similarly, making this a question of preference rather than value. The Pro Trek PRW3500T-7 emphasizes Tough Solar Quartz, Multi-Band 6 technology while the Sun & Moon prioritizes Orient In-House Automatic (Hacking, Hand-Winding) precision.

Both are suitable for daily wear. The Pro Trek PRW3500T-7 at 56.9 × 53.4 × 14.8mm with 200m (20 ATM) water resistance handles everyday situations. The Sun & Moon at 41.5mm with 50m (5 ATM) is similarly capable. Both use Mineral Glass.

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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.