Invicta Pro Diver Automatic 23681 vs Rado True Square Automatic
Invicta's diver meets Rado's timepiece
Quick Verdict
The Invicta Pro Diver Automatic 23681 ($50–$100) offers Automatic (Seiko NH35A) precision in the tier below the Rado True Square Automatic ($1,500–$2,500). The Pro Diver Automatic 23681 measures 40mm and is rated 200m. The True Square Automatic counters with Swiss Made craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Invicta Pro Diver Automatic 23681 | Rado True Square Automatic |
|---|---|---|
| Price | $50–$100 | $1,500–$2,500 |
| Case Size | 40mm | 38mm (Square) |
| Movement | Automatic NH35A | Automatic ETA C07.611 |
| Caliber Type | Automatic (Seiko NH35A) | Powermatic 80 (ETA-Based) |
| Power Reserve | — | 80 Hours |
| Water Resistance | 200m | 50m (5 ATM) |
| Crystal | Mineral Glass | Sapphire (Anti-Reflective) |
| Case Material | — | Monobloc High-Tech Ceramic |
| Origin | Invicta (Japanese movement) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Invicta's design language vs Rado's approach
The Invicta Pro Diver Automatic 23681 features a steel case at 40mm with Mineral Glass protection. The Rado True Square Automatic offers Monobloc High-Tech Ceramic construction at 38mm (Square) with Sapphire (Anti-Reflective). Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic NH35A vs Automatic ETA C07.611
The Pro Diver Automatic 23681 runs the Automatic NH35A (Automatic (Seiko NH35A), standard power reserve) at standard frequency. The True Square Automatic uses the Automatic ETA C07.611 (Powermatic 80 (ETA-Based), 80 Hours reserve) at 21,600 vph (3 Hz). The True Square Automatic offers a longer power reserve.
Wearability & Fit
40mm vs 38mm (Square) — different wrist presence
At 40mm, the Pro Diver Automatic 23681 has a bolder wrist presence compared to the True Square Automatic at 38mm (Square). 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 Rado True Square Automatic at $1,500–$2,500. On the specs that outlast any price: the Pro Diver Automatic 23681 uses Mineral Glass with a standard reserve, against Sapphire (Anti-Reflective) and 80 Hours on the True Square Automatic. 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 True Square Automatic 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 AmazonRado
True Square Automatic
Choose the Rado True Square Automatic if you value Powermatic 80 (ETA-Based) technology, Swiss Made heritage, and 38mm (Square) proportions. At $1,500–$2,500, the Automatic ETA C07.611 with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Invicta Pro Diver Automatic 23681 and Rado True Square Automatic represent two distinct approaches to fine watchmaking — the Invicta bringing Invicta (Japanese movement) tradition while Rado 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.