Orient Kamasu Automatic Diver vs Orient Sun & Moon
Orient's diver meets Orient's dress watch
Quick Verdict
The Orient Kamasu Automatic Diver ($250–$500) and Orient Sun & Moon ($250–$500) are closely matched timepieces at similar price points. The Kamasu Automatic Diver emphasizes Orient In-House Automatic engineering while the Sun & Moon focuses on Made in Japan craftsmanship.
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Specifications Compared
| Feature | Orient Kamasu Automatic Diver | Orient Sun & Moon |
|---|---|---|
| Price | $250–$500 | $250–$500 |
| Case Size | 41.8mm | 41.5mm |
| Movement | Automatic Caliber F6922 | Automatic Caliber F6B24 |
| Caliber Type | Orient In-House Automatic | Orient In-House Automatic (Hacking, Hand-Winding) |
| Power Reserve | 40 Hours | 40 Hours |
| Water Resistance | 200m (20 ATM) | 50m (5 ATM) |
| Crystal | Sapphire Crystal | Mineral Glass |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Made in Japan | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Orient's design language vs Orient's approach
The Orient Kamasu Automatic Diver features a Stainless Steel case at 41.8mm with Sapphire Crystal protection. The Orient Sun & Moon offers Stainless Steel construction at 41.5mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Caliber F6922 vs Automatic Caliber F6B24
The Kamasu Automatic Diver runs the Automatic Caliber F6922 (Orient In-House Automatic, 40 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Sun & Moon uses the Automatic Caliber F6B24 (Orient In-House Automatic (Hacking, Hand-Winding), 40 Hours reserve) at 21,600 vph (3 Hz). Power reserves are closely matched.
Wearability & Fit
41.8mm vs 41.5mm — different wrist presence
At 41.8mm, the Kamasu Automatic Diver has a bolder wrist presence compared to the Sun & Moon at 41.5mm. Water resistance differs: 200m (20 ATM) vs 50m (5 ATM).
Value & Cost of Ownership
Same tier — different value propositions
The Orient Kamasu Automatic Diver sits at $250–$500 and the Orient Sun & Moon at $250–$500. On the specs that outlast any price: the Kamasu Automatic Diver uses Sapphire Crystal with 40 Hours, against Mineral Glass and 40 Hours on the Sun & Moon. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 50m (5 ATM)
The Kamasu Automatic Diver is rated to 200m (20 ATM) while the Sun & Moon handles 50m (5 ATM). The Kamasu Automatic Diver is better suited for water activities.
Our Verdict
Orient
Kamasu Automatic Diver
Choose the Orient Kamasu Automatic Diver if you prioritize Orient In-House Automatic engineering, Made in Japan craftsmanship, and 200m (20 ATM) water resistance. At $250–$500, it delivers Automatic Caliber F6922 with 40 Hours power reserve.
Check Price on AmazonOrient
Sun & Moon
Choose the Orient Sun & Moon if you value Orient In-House Automatic (Hacking, Hand-Winding) technology, Made in Japan heritage, and 41.5mm proportions. At $250–$500, the Automatic Caliber F6B24 with 40 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Orient Kamasu Automatic Diver and Orient Sun & Moon represent two distinct approaches to fine watchmaking — the Orient bringing Made in 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.

