Casio Pro Trek PRG270-1 vs Orient Mako 40 Green
Casio's timepiece meets Orient's diver
Quick Verdict
The Casio Pro Trek PRG270-1 ($150–$250) offers Tough Solar Quartz (No Battery Change) precision in the tier below the Orient Mako 40 Green ($250–$500). The Pro Trek PRG270-1 measures 54.6 × 52.4 × 15mm and is rated 100m (10 ATM). The Mako 40 Green 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 | Casio Pro Trek PRG270-1 | Orient Mako 40 Green |
|---|---|---|
| Price | $150–$250 | $250–$500 |
| Case Size | 54.6 × 52.4 × 15mm | 40mm |
| Movement | Tough Solar (Solar Quartz) | Automatic Caliber F6722 |
| Caliber Type | Tough Solar Quartz (No Battery Change) | Orient In-House Automatic (Hacking, Hand-Winding) |
| Power Reserve | Tough Solar (Rechargeable) | 40 Hours |
| Water Resistance | 100m (10 ATM) | 200m (20 ATM) |
| Crystal | Mineral Glass | Sapphire Crystal |
| Case Material | Resin | Stainless Steel |
| Origin | Casio (Japan) | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Orient's approach
The Casio Pro Trek PRG270-1 features a Resin case at 54.6 × 52.4 × 15mm with Mineral Glass protection. The Orient Mako 40 Green offers Stainless Steel construction at 40mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Tough Solar (Solar Quartz) vs Automatic Caliber F6722
The Pro Trek PRG270-1 runs the Tough Solar (Solar Quartz) (Tough Solar Quartz (No Battery Change), Tough Solar (Rechargeable) power reserve) at standard frequency. The Mako 40 Green uses the Automatic Caliber F6722 (Orient In-House Automatic (Hacking, Hand-Winding), 40 Hours reserve) at 21,600 vph (3 Hz). The Mako 40 Green offers a longer power reserve.
Wearability & Fit
54.6 × 52.4 × 15mm vs 40mm — different wrist presence
At 54.6 × 52.4 × 15mm, the Pro Trek PRG270-1 has a bolder wrist presence compared to the Mako 40 Green at 40mm. Water resistance differs: 100m (10 ATM) vs 200m (20 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Casio Pro Trek PRG270-1 sits at $150–$250 and the Orient Mako 40 Green at $250–$500. On the specs that outlast any price: the Pro Trek PRG270-1 uses Mineral Glass with Tough Solar (Rechargeable), against Sapphire Crystal and 40 Hours on the Mako 40 Green. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 200m (20 ATM)
The Pro Trek PRG270-1 is rated to 100m (10 ATM) while the Mako 40 Green handles 200m (20 ATM). The Mako 40 Green offers superior water resistance.
Our Verdict
Casio
Pro Trek PRG270-1
Choose the Casio Pro Trek PRG270-1 if you prioritize Tough Solar Quartz (No Battery Change) engineering, Casio (Japan) craftsmanship, and 100m (10 ATM) water resistance. At $150–$250, it delivers Tough Solar (Solar Quartz) with Tough Solar (Rechargeable) power reserve.
Check Price on AmazonOrient
Mako 40 Green
Choose the Orient Mako 40 Green if you value Orient In-House Automatic (Hacking, Hand-Winding) technology, Made in Japan heritage, and 40mm proportions. At $250–$500, the Automatic Caliber F6722 with 40 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Pro Trek PRG270-1 and Orient Mako 40 Green represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Orient 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.