Seiko Prospex "Turtle" vs Timex Expedition Metal Field "Scout"
Seiko's diver meets Timex's field watch
Quick Verdict
The Timex Expedition Metal Field "Scout" ($50–$100) delivers Quartz (Battery) technology in the tier below the Seiko Prospex "Turtle" ($500–$1,000). The Expedition Metal Field "Scout" measures 40mm and is rated 50m (5 ATM). The Prospex "Turtle" justifies its premium with Made in Japan heritage and Automatic Caliber 4R36. Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Seiko Prospex "Turtle" | Timex Expedition Metal Field "Scout" |
|---|---|---|
| Price | $500–$1,000 | $50–$100 |
| Case Size | 45mm | 40mm |
| Movement | Automatic Caliber 4R36 | Quartz (3-Hand, Date) |
| Caliber Type | In-House Automatic Manufacture | Quartz (Battery) |
| Power Reserve | 41 Hours | Battery |
| Water Resistance | 200m (20 ATM) Diver | 50m (5 ATM) |
| Crystal | Sapphire Crystal | Mineral Glass |
| Case Material | Stainless Steel | Brass (Gunmetal Finish) |
| Origin | Made in Japan | Timex (USA Design) |
Category-by-Category Analysis
Design & Aesthetics
Seiko's design language vs Timex's approach
The Seiko Prospex "Turtle" features a Stainless Steel case at 45mm with Sapphire Crystal protection. The Timex Expedition Metal Field "Scout" offers Brass (Gunmetal Finish) construction at 40mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Caliber 4R36 vs Quartz (3-Hand, Date)
The Prospex "Turtle" runs the Automatic Caliber 4R36 (In-House Automatic Manufacture, 41 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Expedition Metal Field "Scout" uses the Quartz (3-Hand, Date) (Quartz (Battery), Battery reserve) at standard. The Prospex "Turtle" edges ahead on power reserve.
Wearability & Fit
45mm vs 40mm — different wrist presence
At 45mm, the Prospex "Turtle" has a bolder wrist presence compared to the Expedition Metal Field "Scout" at 40mm. Water resistance differs: 200m (20 ATM) Diver vs 50m (5 ATM).
Value & Cost of Ownership
Timex sits in the lower tier
The Seiko Prospex "Turtle" sits at $500–$1,000 and the Timex Expedition Metal Field "Scout" at $50–$100. On the specs that outlast any price: the Prospex "Turtle" uses Sapphire Crystal with 41 Hours, against Mineral Glass and Battery on the Expedition Metal Field "Scout". Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) Diver vs 50m (5 ATM)
The Prospex "Turtle" is rated to 200m (20 ATM) Diver while the Expedition Metal Field "Scout" handles 50m (5 ATM). The Prospex "Turtle" is better suited for water activities.
Our Verdict
Seiko
Prospex "Turtle"
Choose the Seiko Prospex "Turtle" if you prioritize In-House Automatic Manufacture engineering, Made in Japan craftsmanship, and 200m (20 ATM) Diver water resistance. At $500–$1,000, it delivers Automatic Caliber 4R36 with 41 Hours power reserve.
Check Price on AmazonTimex
Expedition Metal Field "Scout"
Choose the Timex Expedition Metal Field "Scout" if you value Quartz (Battery) technology, Timex (USA Design) heritage, and 40mm proportions. At $50–$100, the Quartz (3-Hand, Date) with Battery power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Seiko Prospex "Turtle" and Timex Expedition Metal Field "Scout" represent two distinct approaches to fine watchmaking — the Seiko bringing Made in Japan tradition while Timex delivers Timex (USA Design) 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.

