Citizen Promaster Sky CB0248 vs Longines Master Collection Moonphase
Citizen's pilot watch meets Longines's dress watch
Quick Verdict
The Citizen Promaster Sky CB0248 ($250–$500) offers Citizen Eco-Drive precision in the tier below the Longines Master Collection Moonphase ($2,500–$5,000). The Promaster Sky CB0248 measures 42.4mm and is rated for daily wear. 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 | Citizen Promaster Sky CB0248 | Longines Master Collection Moonphase |
|---|---|---|
| Price | $250–$500 | $2,500–$5,000 |
| Case Size | 42.4mm | 40mm |
| Movement | Eco-Drive Radio-Controlled | Automatic Caliber L899 |
| Caliber Type | Citizen Eco-Drive | Automatic (ETA A31.L91 base) |
| Power Reserve | — | 72 Hours |
| Water Resistance | — | 30m (3 ATM) |
| Crystal | — | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Citizen (Japan) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Longines's approach
The Citizen Promaster Sky CB0248 features a Stainless Steel case at 42.4mm with 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
Eco-Drive Radio-Controlled vs Automatic Caliber L899
The Promaster Sky CB0248 runs the Eco-Drive Radio-Controlled (Citizen Eco-Drive, 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
42.4mm vs 40mm — different wrist presence
At 42.4mm, the Promaster Sky CB0248 has a bolder wrist presence compared to the Master Collection Moonphase at 40mm. Water resistance differs: 50m vs 30m (3 ATM).
Value & Cost of Ownership
Citizen sits in the lower tier
The Citizen Promaster Sky CB0248 sits at $250–$500 and the Longines Master Collection Moonphase at $2,500–$5,000. On the specs that outlast any price: the Promaster Sky CB0248 uses a hardened 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
50m vs 30m (3 ATM)
The Promaster Sky CB0248 is rated to 50m while the Master Collection Moonphase handles 30m (3 ATM). The Master Collection Moonphase offers superior water resistance.
Our Verdict
Citizen
Promaster Sky CB0248
Choose the Citizen Promaster Sky CB0248 if you prioritize Citizen Eco-Drive engineering, Citizen (Japan) craftsmanship, and reliable water resistance. At $250–$500, it delivers Eco-Drive Radio-Controlled 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 Citizen Promaster Sky CB0248 and Longines Master Collection Moonphase represent two distinct approaches to fine watchmaking — the Citizen bringing Citizen (Japan) 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.