Invicta Pro Diver Automatic 23681 vs Orient Sun & Moon
Invicta's diver meets Orient's dress watch
Quick Verdict
The Invicta Pro Diver Automatic 23681 ($50–$100) offers Automatic (Seiko NH35A) precision in the tier below the Orient Sun & Moon ($250–$500). The Pro Diver Automatic 23681 measures 40mm and is rated 200m. The Sun & Moon counters with Made in Japan craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective tiers.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Invicta Pro Diver Automatic 23681 | Orient Sun & Moon |
|---|---|---|
| Price | $50–$100 | $250–$500 |
| Case Size | 40mm | 41.5mm |
| Movement | Automatic NH35A | Automatic Caliber F6B24 |
| Caliber Type | Automatic (Seiko NH35A) | Orient In-House Automatic (Hacking, Hand-Winding) |
| Power Reserve | — | 40 Hours |
| Water Resistance | 200m | 50m (5 ATM) |
| Crystal | Mineral Glass | Mineral Glass |
| Case Material | — | Stainless Steel |
| Origin | Invicta (Japanese movement) | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Invicta's design language vs Orient's approach
The Invicta Pro Diver Automatic 23681 features a steel case at 40mm with Mineral Glass 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 NH35A vs Automatic Caliber F6B24
The Pro Diver Automatic 23681 runs the Automatic NH35A (Automatic (Seiko NH35A), standard power reserve) at standard 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). The Sun & Moon offers a longer power reserve.
Wearability & Fit
40mm vs 41.5mm — different wrist presence
At 40mm, the Pro Diver Automatic 23681 wears more compactly on smaller wrists compared to the Sun & Moon at 41.5mm. Water resistance differs: 200m vs 50m (5 ATM).
Value & Cost of Ownership
Invicta sits in the lower tier
The Invicta Pro Diver Automatic 23681 sits at $50–$100 and the Orient Sun & Moon at $250–$500. On the specs that outlast any price: the Pro Diver Automatic 23681 uses Mineral Glass with a standard reserve, against Mineral Glass and 40 Hours on the Sun & Moon. Service intervals are typically 5-7 years for both.
Water Resistance
200m vs 50m (5 ATM)
The Pro Diver Automatic 23681 is rated to 200m while the Sun & Moon handles 50m (5 ATM). The Pro Diver Automatic 23681 is better suited for water activities.
Our Verdict
Invicta
Pro Diver Automatic 23681
Choose the Invicta Pro Diver Automatic 23681 if you prioritize Automatic (Seiko NH35A) engineering, Invicta (Japanese movement) craftsmanship, and 200m water resistance. At $50–$100, it delivers Automatic NH35A with solid 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 Invicta Pro Diver Automatic 23681 and Orient Sun & Moon represent two distinct approaches to fine watchmaking — the Invicta bringing Invicta (Japanese movement) tradition while Orient delivers Made in Japan engineering.
Frequently Asked Questions
More Comparisons
Tag Heuer Carrera Chronograph vs Invicta Pro Diver Automatic 23681
Tag Heuer's chronograph meets Invicta's diver
Tag Heuer Carrera Chronograph vs Orient Sun & Moon
Tag Heuer's chronograph meets Orient's dress watch
Tissot PRX Powermatic 80 vs Invicta Pro Diver Automatic 23681
Tissot's timepiece meets Invicta's diver
Explore These Watches
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.