Junghans Form A Automatic vs Orient Mako 40 Green
Junghans's dress watch meets Orient's diver
Quick Verdict
The Orient Mako 40 Green ($250–$500) delivers Orient In-House Automatic (Hacking, Hand-Winding) technology in the tier below the Junghans Form A Automatic ($1,000–$1,500). The Mako 40 Green measures 40mm and is rated 200m (20 ATM). The Form A Automatic justifies its premium with Made in Germany heritage and Automatic J800.2 (ETA 2824-2). Both represent excellent choices in the luxury watch category.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Junghans Form A Automatic | Orient Mako 40 Green |
|---|---|---|
| Price | $1,000–$1,500 | $250–$500 |
| Case Size | 39.3mm | 40mm |
| Movement | Automatic J800.2 (ETA 2824-2) | Automatic Caliber F6722 |
| Caliber Type | Swiss ETA Base, German-Finished | Orient In-House Automatic (Hacking, Hand-Winding) |
| Power Reserve | 38 Hours | 40 Hours |
| Water Resistance | 50m (5 ATM) | 200m (20 ATM) |
| Crystal | Flat Sapphire with Anti-Reflective Coating | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Made in Germany | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Junghans's design language vs Orient's approach
The Junghans Form A Automatic features a Stainless Steel case at 39.3mm with Flat Sapphire with Anti-Reflective Coating protection. The Orient Mako 40 Green offers Stainless Steel construction at 40mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic J800.2 (ETA 2824-2) vs Automatic Caliber F6722
The Form A Automatic runs the Automatic J800.2 (ETA 2824-2) (Swiss ETA Base, German-Finished, 38 Hours power reserve) at 28,800 vph (4 Hz) frequency. The Mako 40 Green uses the Automatic Caliber F6722 (Orient In-House Automatic (Hacking, Hand-Winding), 40 Hours reserve) at 21,600 vph (3 Hz). The Mako 40 Green offers a longer power reserve.
Wearability & Fit
39.3mm vs 40mm — different wrist presence
At 39.3mm, the Form A Automatic wears more compactly on smaller wrists compared to the Mako 40 Green at 40mm. Water resistance differs: 50m (5 ATM) vs 200m (20 ATM).
Value & Cost of Ownership
Orient sits in the lower tier
The Junghans Form A Automatic sits at $1,000–$1,500 and the Orient Mako 40 Green at $250–$500. On the specs that outlast any price: the Form A Automatic uses Flat Sapphire with Anti-Reflective Coating with 38 Hours, against Sapphire Crystal and 40 Hours on the Mako 40 Green. Service intervals are typically 5-7 years for both.
Water Resistance
50m (5 ATM) vs 200m (20 ATM)
The Form A Automatic is rated to 50m (5 ATM) while the Mako 40 Green handles 200m (20 ATM). The Mako 40 Green offers superior water resistance.
Our Verdict
Junghans
Form A Automatic
Choose the Junghans Form A Automatic if you prioritize Swiss ETA Base, German-Finished engineering, Made in Germany craftsmanship, and 50m (5 ATM) water resistance. At $1,000–$1,500, it delivers Automatic J800.2 (ETA 2824-2) with 38 Hours power reserve.
Check Price on AmazonOrient
Mako 40 Green
Choose the Orient Mako 40 Green if you value Orient In-House Automatic (Hacking, Hand-Winding) technology, Made in Japan heritage, and 40mm proportions. At $250–$500, the Automatic Caliber F6722 with 40 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Junghans Form A Automatic and Orient Mako 40 Green represent two distinct approaches to fine watchmaking — the Junghans bringing Made in Germany tradition while Orient delivers Made in Japan engineering.
Frequently Asked Questions
More Comparisons
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.

