Bulova Classic Automatic 98A139 vs Zenith Chronomaster El Primero
Bulova's timepiece meets Zenith's chronograph
Quick Verdict
The Bulova Classic Automatic 98A139 ($250–$500) offers Self-Winding Automatic precision in the tier below the Zenith Chronomaster El Primero ($5,000–$10,000). The Classic Automatic 98A139 measures 45mm and is rated 30m (3 ATM). The Chronomaster El Primero counters with Swiss Made craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Bulova Classic Automatic 98A139 | Zenith Chronomaster El Primero |
|---|---|---|
| Price | $250–$500 | $5,000–$10,000 |
| Case Size | 45mm | 38mm |
| Movement | Automatic, 21 Jewels | Automatic El Primero 3600 (5Hz) |
| Caliber Type | Self-Winding Automatic | In-House Automatic Chronograph Manufacture |
| Power Reserve | — | 60 Hours |
| Water Resistance | 30m (3 ATM) | 50m (5 ATM) |
| Crystal | Domed Crystal | Domed Sapphire |
| Case Material | Black Ion-Plated Stainless Steel | Stainless Steel |
| Origin | Japanese Movement | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Bulova's design language vs Zenith's approach
The Bulova Classic Automatic 98A139 features a Black Ion-Plated Stainless Steel case at 45mm with Domed Crystal protection. The Zenith Chronomaster El Primero offers Stainless Steel construction at 38mm with Domed Sapphire. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic, 21 Jewels vs Automatic El Primero 3600 (5Hz)
The Classic Automatic 98A139 runs the Automatic, 21 Jewels (Self-Winding Automatic, standard power reserve) at standard frequency. The Chronomaster El Primero uses the Automatic El Primero 3600 (5Hz) (In-House Automatic Chronograph Manufacture, 60 Hours reserve) at 36,000 vph (5 Hz). The Chronomaster El Primero offers a longer power reserve.
Wearability & Fit
45mm vs 38mm — different wrist presence
At 45mm, the Classic Automatic 98A139 has a bolder wrist presence compared to the Chronomaster El Primero at 38mm. Water resistance differs: 30m (3 ATM) vs 50m (5 ATM).
Value & Cost of Ownership
Bulova sits in the lower tier
The Bulova Classic Automatic 98A139 sits at $250–$500 and the Zenith Chronomaster El Primero at $5,000–$10,000. On the specs that outlast any price: the Classic Automatic 98A139 uses Domed Crystal with a standard reserve, against Domed Sapphire and 60 Hours on the Chronomaster El Primero. Service intervals are typically 5-7 years for both.
Water Resistance
30m (3 ATM) vs 50m (5 ATM)
The Classic Automatic 98A139 is rated to 30m (3 ATM) while the Chronomaster El Primero handles 50m (5 ATM). The Chronomaster El Primero offers superior water resistance.
Our Verdict
Bulova
Classic Automatic 98A139
Choose the Bulova Classic Automatic 98A139 if you prioritize Self-Winding Automatic engineering, Japanese Movement craftsmanship, and 30m (3 ATM) water resistance. At $250–$500, it delivers Automatic, 21 Jewels with solid power reserve.
Check Price on AmazonZenith
Chronomaster El Primero
Choose the Zenith Chronomaster El Primero if you value In-House Automatic Chronograph Manufacture technology, Swiss Made heritage, and 38mm proportions. At $5,000–$10,000, the Automatic El Primero 3600 (5Hz) with 60 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Bulova Classic Automatic 98A139 and Zenith Chronomaster El Primero represent two distinct approaches to fine watchmaking — the Bulova bringing Japanese Movement tradition while Zenith 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.