Citizen Promaster Sky CB0248 vs Orient Kamasu Automatic Diver
Citizen's pilot watch meets Orient's diver
Quick Verdict
The Citizen Promaster Sky CB0248 ($250–$500) and Orient Kamasu Automatic Diver ($250–$500) are closely matched timepieces at similar price points. The Promaster Sky CB0248 emphasizes Citizen Eco-Drive engineering while the Kamasu Automatic Diver focuses on Made in Japan craftsmanship.
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Specifications Compared
| Feature | Citizen Promaster Sky CB0248 | Orient Kamasu Automatic Diver |
|---|---|---|
| Price | $250–$500 | $250–$500 |
| Case Size | 42.4mm | 41.8mm |
| Movement | Eco-Drive Radio-Controlled | Automatic Caliber F6922 |
| Caliber Type | Citizen Eco-Drive | Orient In-House Automatic |
| Power Reserve | — | 40 Hours |
| Water Resistance | — | 200m (20 ATM) |
| Crystal | — | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Citizen (Japan) | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Orient's approach
The Citizen Promaster Sky CB0248 features a Stainless Steel case at 42.4mm with crystal protection. The Orient Kamasu Automatic Diver offers Stainless Steel construction at 41.8mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Eco-Drive Radio-Controlled vs Automatic Caliber F6922
The Promaster Sky CB0248 runs the Eco-Drive Radio-Controlled (Citizen Eco-Drive, standard power reserve) at standard frequency. The Kamasu Automatic Diver uses the Automatic Caliber F6922 (Orient In-House Automatic, 40 Hours reserve) at 21,600 vph (3 Hz). The Kamasu Automatic Diver offers a longer power reserve.
Wearability & Fit
42.4mm vs 41.8mm — different wrist presence
At 42.4mm, the Promaster Sky CB0248 has a bolder wrist presence compared to the Kamasu Automatic Diver at 41.8mm. Water resistance differs: 50m vs 200m (20 ATM).
Value & Cost of Ownership
Same tier — different value propositions
The Citizen Promaster Sky CB0248 sits at $250–$500 and the Orient Kamasu Automatic Diver at $250–$500. On the specs that outlast any price: the Promaster Sky CB0248 uses a hardened crystal with a standard reserve, against Sapphire Crystal and 40 Hours on the Kamasu Automatic Diver. Service intervals are typically 5-7 years for both.
Water Resistance
50m vs 200m (20 ATM)
The Promaster Sky CB0248 is rated to 50m while the Kamasu Automatic Diver handles 200m (20 ATM). The Kamasu Automatic Diver 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 AmazonOrient
Kamasu Automatic Diver
Choose the Orient Kamasu Automatic Diver if you value Orient In-House Automatic technology, Made in Japan heritage, and 41.8mm proportions. At $250–$500, the Automatic Caliber F6922 with 40 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Promaster Sky CB0248 and Orient Kamasu Automatic Diver represent two distinct approaches to fine watchmaking — the Citizen bringing Citizen (Japan) tradition while Orient delivers Made in Japan 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.