Casio Pro Trek PRW-B1000-1 vs Tissot Seastar 1000 Automatic
Casio's timepiece meets Tissot's diver
Quick Verdict
The Casio Pro Trek PRW-B1000-1 ($500–$1,000) and Tissot Seastar 1000 Automatic ($500–$1,000) are closely matched timepieces at similar price points. The Pro Trek PRW-B1000-1 emphasizes Tough Solar Quartz, Multi-Band 6 + Bluetooth engineering while the Seastar 1000 Automatic focuses on Swiss Made craftsmanship.
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Specifications Compared
| Feature | Casio Pro Trek PRW-B1000-1 | Tissot Seastar 1000 Automatic |
|---|---|---|
| Price | $500–$1,000 | $500–$1,000 |
| Case Size | 50.8 × 45.8 × 14.9mm | 40mm |
| Movement | Tough Solar (Solar Quartz), Radio-Controlled | Automatic Powermatic 80 (Caliber 80.111) |
| Caliber Type | Tough Solar Quartz, Multi-Band 6 + Bluetooth | ETA/Tissot Automatic |
| Power Reserve | Tough Solar (Rechargeable) | 80 Hours |
| Water Resistance | 100m (10 ATM) | 300m (30 ATM) |
| Crystal | Sapphire with Anti-Reflective Coating | Sapphire Crystal |
| Case Material | Bio-Based Resin / Stainless Steel | Stainless Steel |
| Origin | Casio (Japan) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Tissot's approach
The Casio Pro Trek PRW-B1000-1 features a Bio-Based Resin / Stainless Steel case at 50.8 × 45.8 × 14.9mm with Sapphire with Anti-Reflective Coating protection. The Tissot Seastar 1000 Automatic 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), Radio-Controlled vs Automatic Powermatic 80 (Caliber 80.111)
The Pro Trek PRW-B1000-1 runs the Tough Solar (Solar Quartz), Radio-Controlled (Tough Solar Quartz, Multi-Band 6 + Bluetooth, Tough Solar (Rechargeable) power reserve) at standard frequency. The Seastar 1000 Automatic uses the Automatic Powermatic 80 (Caliber 80.111) (ETA/Tissot Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). The Seastar 1000 Automatic offers a longer power reserve.
Wearability & Fit
50.8 × 45.8 × 14.9mm vs 40mm — different wrist presence
At 50.8 × 45.8 × 14.9mm, the Pro Trek PRW-B1000-1 has a bolder wrist presence compared to the Seastar 1000 Automatic at 40mm. Water resistance differs: 100m (10 ATM) vs 300m (30 ATM).
Value & Cost of Ownership
Same tier — different value propositions
The Casio Pro Trek PRW-B1000-1 sits at $500–$1,000 and the Tissot Seastar 1000 Automatic at $500–$1,000. On the specs that outlast any price: the Pro Trek PRW-B1000-1 uses Sapphire with Anti-Reflective Coating with Tough Solar (Rechargeable), against Sapphire Crystal and 80 Hours on the Seastar 1000 Automatic. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 300m (30 ATM)
The Pro Trek PRW-B1000-1 is rated to 100m (10 ATM) while the Seastar 1000 Automatic handles 300m (30 ATM). The Seastar 1000 Automatic offers superior water resistance.
Our Verdict
Casio
Pro Trek PRW-B1000-1
Choose the Casio Pro Trek PRW-B1000-1 if you prioritize Tough Solar Quartz, Multi-Band 6 + Bluetooth engineering, Casio (Japan) craftsmanship, and 100m (10 ATM) water resistance. At $500–$1,000, it delivers Tough Solar (Solar Quartz), Radio-Controlled with Tough Solar (Rechargeable) power reserve.
Check Price on AmazonTissot
Seastar 1000 Automatic
Choose the Tissot Seastar 1000 Automatic if you value ETA/Tissot Automatic technology, Swiss Made heritage, and 40mm proportions. At $500–$1,000, the Automatic Powermatic 80 (Caliber 80.111) with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Pro Trek PRW-B1000-1 and Tissot Seastar 1000 Automatic represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Tissot delivers Swiss Made 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.