Citizen Promaster Sky CB0248 vs Timex Marlin Automatic 40mm
Citizen's pilot watch meets Timex's timepiece
Quick Verdict
The Citizen Promaster Sky CB0248 ($250–$500) and Timex Marlin Automatic 40mm ($250–$500) are closely matched timepieces at similar price points. The Promaster Sky CB0248 emphasizes Citizen Eco-Drive engineering while the Marlin Automatic 40mm focuses on Made in Japan (Movement) craftsmanship.
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Specifications Compared
| Feature | Citizen Promaster Sky CB0248 | Timex Marlin Automatic 40mm |
|---|---|---|
| Price | $250–$500 | $250–$500 |
| Case Size | 42.4mm | 40mm |
| Movement | Eco-Drive Radio-Controlled | Automatic Miyota 8205 |
| Caliber Type | Citizen Eco-Drive | Miyota Automatic |
| Power Reserve | — | 40 Hours |
| Water Resistance | — | 30m (3 ATM) |
| Crystal | — | Mineral Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Citizen (Japan) | Made in Japan (Movement) |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Timex's approach
The Citizen Promaster Sky CB0248 features a Stainless Steel case at 42.4mm with crystal protection. The Timex Marlin Automatic 40mm offers Stainless Steel construction at 40mm with Mineral Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Eco-Drive Radio-Controlled vs Automatic Miyota 8205
The Promaster Sky CB0248 runs the Eco-Drive Radio-Controlled (Citizen Eco-Drive, standard power reserve) at standard frequency. The Marlin Automatic 40mm uses the Automatic Miyota 8205 (Miyota Automatic, 40 Hours reserve) at 21,600 vph (3 Hz). The Marlin Automatic 40mm 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 Marlin Automatic 40mm at 40mm. Water resistance differs: 50m vs 30m (3 ATM).
Value & Cost of Ownership
Same tier — different value propositions
The Citizen Promaster Sky CB0248 sits at $250–$500 and the Timex Marlin Automatic 40mm at $250–$500. On the specs that outlast any price: the Promaster Sky CB0248 uses a hardened crystal with a standard reserve, against Mineral Crystal and 40 Hours on the Marlin Automatic 40mm. 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 Marlin Automatic 40mm handles 30m (3 ATM). The Marlin Automatic 40mm 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 AmazonTimex
Marlin Automatic 40mm
Choose the Timex Marlin Automatic 40mm if you value Miyota Automatic technology, Made in Japan (Movement) heritage, and 40mm proportions. At $250–$500, the Automatic Miyota 8205 with 40 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Promaster Sky CB0248 and Timex Marlin Automatic 40mm represent two distinct approaches to fine watchmaking — the Citizen bringing Citizen (Japan) tradition while Timex delivers Made in Japan (Movement) 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.