Bulova Classic Automatic 98A139 vs Longines Master Collection Moonphase
Bulova's timepiece meets Longines's dress watch
Quick Verdict
The Bulova Classic Automatic 98A139 ($250–$500) offers Self-Winding Automatic precision in the tier below the Longines Master Collection Moonphase ($2,500–$5,000). The Classic Automatic 98A139 measures 45mm and is rated 30m (3 ATM). The Master Collection Moonphase counters with Swiss Made craftsmanship and 30m (3 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Bulova Classic Automatic 98A139 | Longines Master Collection Moonphase |
|---|---|---|
| Price | $250–$500 | $2,500–$5,000 |
| Case Size | 45mm | 40mm |
| Movement | Automatic, 21 Jewels | Automatic Caliber L899 |
| Caliber Type | Self-Winding Automatic | Automatic (ETA A31.L91 base) |
| Power Reserve | — | 72 Hours |
| Water Resistance | 30m (3 ATM) | 30m (3 ATM) |
| Crystal | Domed Crystal | Sapphire Crystal |
| 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 Longines's approach
The Bulova Classic Automatic 98A139 features a Black Ion-Plated Stainless Steel case at 45mm with Domed Crystal protection. The Longines Master Collection Moonphase offers Stainless Steel construction at 40mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic, 21 Jewels vs Automatic Caliber L899
The Classic Automatic 98A139 runs the Automatic, 21 Jewels (Self-Winding Automatic, standard power reserve) at standard frequency. The Master Collection Moonphase uses the Automatic Caliber L899 (Automatic (ETA A31.L91 base), 72 Hours reserve) at 25,200 vph (3.5 Hz). The Master Collection Moonphase offers a longer power reserve.
Wearability & Fit
45mm vs 40mm — different wrist presence
At 45mm, the Classic Automatic 98A139 has a bolder wrist presence compared to the Master Collection Moonphase at 40mm. Water resistance differs: 30m (3 ATM) vs 30m (3 ATM).
Value & Cost of Ownership
Bulova sits in the lower tier
The Bulova Classic Automatic 98A139 sits at $250–$500 and the Longines Master Collection Moonphase at $2,500–$5,000. On the specs that outlast any price: the Classic Automatic 98A139 uses Domed Crystal with a standard reserve, against Sapphire Crystal and 72 Hours on the Master Collection Moonphase. Service intervals are typically 5-7 years for both.
Water Resistance
30m (3 ATM) vs 30m (3 ATM)
The Classic Automatic 98A139 is rated to 30m (3 ATM) while the Master Collection Moonphase handles 30m (3 ATM). Both offer identical water resistance ratings.
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 AmazonLongines
Master Collection Moonphase
Choose the Longines Master Collection Moonphase if you value Automatic (ETA A31.L91 base) technology, Swiss Made heritage, and 40mm proportions. At $2,500–$5,000, the Automatic Caliber L899 with 72 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Bulova Classic Automatic 98A139 and Longines Master Collection Moonphase represent two distinct approaches to fine watchmaking — the Bulova bringing Japanese Movement tradition while Longines 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.