Boyarca Pilot Automatic vs Casio F-91W
Two timepieces compared — $50–$100 vs Under $50
Quick Verdict
The Boyarca Pilot Automatic ($50–$100) and Casio F-91W (Under $50) are closely matched timepieces at similar price points. The Pilot Automatic emphasizes Automatic (Japan) engineering while the F-91W focuses on Casio (Japan) craftsmanship.
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Specifications Compared
| Feature | Boyarca Pilot Automatic | Casio F-91W |
|---|---|---|
| Price | $50–$100 | Under $50 |
| Case Size | — | 35mm |
| Movement | Japanese Automatic | Quartz Module 593 |
| Caliber Type | Automatic (Japan) | Casio Digital Quartz (Battery) |
| Power Reserve | — | 7-Year Battery |
| Water Resistance | — | 30m (Splash Resistant) |
| Crystal | — | Acrylic |
| Case Material | Stainless Steel | Resin |
| Origin | Boyarca (Japanese movement) | Casio (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Boyarca's design language vs Casio's approach
The Boyarca Pilot Automatic features a Stainless Steel case at mid-size with crystal protection. The Casio F-91W offers Resin construction at 35mm with Acrylic. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Japanese Automatic vs Quartz Module 593
The Pilot Automatic runs the Japanese Automatic (Automatic (Japan), standard power reserve) at standard frequency. The F-91W uses the Quartz Module 593 (Casio Digital Quartz (Battery), 7-Year Battery reserve) at standard. The F-91W offers a longer power reserve.
Wearability & Fit
Mid-size vs 35mm — different wrist presence
At 40mm, the Pilot Automatic wears more compactly on smaller wrists compared to the F-91W at 35mm. Water resistance differs: 50m vs 30m (Splash Resistant).
Value & Cost of Ownership
Same tier — different value propositions
The Boyarca Pilot Automatic sits at $50–$100 and the Casio F-91W at Under $50. On the specs that outlast any price: the Pilot Automatic uses a hardened crystal with a standard reserve, against Acrylic and 7-Year Battery on the F-91W. Service intervals are typically 5-7 years for both.
Water Resistance
50m vs 30m (Splash Resistant)
The Pilot Automatic is rated to 50m while the F-91W handles 30m (Splash Resistant). The F-91W offers superior water resistance.
Our Verdict
Boyarca
Pilot Automatic
Choose the Boyarca Pilot Automatic if you prioritize Automatic (Japan) engineering, Boyarca (Japanese movement) craftsmanship, and reliable water resistance. At $50–$100, it delivers Japanese Automatic with solid power reserve.
Check Price on AmazonCasio
F-91W
Choose the Casio F-91W if you value Casio Digital Quartz (Battery) technology, Casio (Japan) heritage, and 35mm proportions. At Under $50, the Quartz Module 593 with 7-Year Battery power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Boyarca Pilot Automatic and Casio F-91W represent two distinct approaches to the timepiece category — the Boyarca bringing Boyarca (Japanese movement) tradition while Casio delivers Casio (Japan) engineering.
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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.